diff --git a/scripts/codemap.py b/scripts/codemap.py
index a1672f12..2e23578a 100755
--- a/scripts/codemap.py
+++ b/scripts/codemap.py
@@ -236,7 +236,7 @@ def dat(x, *args):
             raise
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -260,20 +260,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -979,11 +979,11 @@ def main_(ring, paths, *,
             chars_.extend((char[0], c) for c in psplit(char[1]))
         else:
             chars_.extend(psplit(char))
-    chars_ = Attr(chars_)
+    chars_ = CsvAttr(chars_)
 
-    colors_ = Attr(colors, defaults=COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS)
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     # figure out width/height
     if width is None:
diff --git a/scripts/codemapd3.py b/scripts/codemapd3.py
index dfdb335f..ed976dc9 100755
--- a/scripts/codemapd3.py
+++ b/scripts/codemapd3.py
@@ -105,7 +105,7 @@ def dat(x, *args):
             raise
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -129,20 +129,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -681,9 +681,9 @@ def main(paths, output, *,
         mode_callers = True
 
     # what colors/labels to use?
-    colors_ = Attr(colors, defaults=COLORS_DARK if dark else COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS_DARK if dark else COLORS)
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     if background is not None:
         background_ = background
diff --git a/scripts/dbgbmap.py b/scripts/dbgbmap.py
index 963f3da2..465aecf5 100755
--- a/scripts/dbgbmap.py
+++ b/scripts/dbgbmap.py
@@ -3800,7 +3800,7 @@ class RingIO:
         sys.stdout.flush()
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -3824,20 +3824,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -4458,9 +4458,9 @@ def main_(ring, disk, mroots=None, *,
             chars_.extend((char[0], c) for c in psplit(char[1]))
         else:
             chars_.extend(psplit(char))
-    chars_ = Attr(chars_, defaults=[True] if braille or dots else CHARS)
+    chars_ = CsvAttr(chars_, defaults=[True] if braille or dots else CHARS)
 
-    colors_ = Attr(colors, defaults=COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS)
 
     # figure out width/height
     if width is None:
diff --git a/scripts/dbgbmapd3.py b/scripts/dbgbmapd3.py
index 854258f3..5f6273d2 100755
--- a/scripts/dbgbmapd3.py
+++ b/scripts/dbgbmapd3.py
@@ -3688,7 +3688,7 @@ class Lfs:
 
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -3712,20 +3712,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -4175,9 +4175,9 @@ def main(disk, output, mroots=None, *,
         mode_redund = True
 
     # what colors/labels to use?
-    colors_ = Attr(colors, defaults=COLORS_DARK if dark else COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS_DARK if dark else COLORS)
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     if background is not None:
         background_ = background
diff --git a/scripts/dbgtrace.py b/scripts/dbgtrace.py
index 890d82b2..d063d0b3 100755
--- a/scripts/dbgtrace.py
+++ b/scripts/dbgtrace.py
@@ -251,7 +251,7 @@ class RingIO:
         sys.stdout.flush()
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -275,20 +275,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -1017,7 +1017,7 @@ def main(path='-', *,
             chars_.extend((char[0], c) for c in psplit(char[1]))
         else:
             chars_.extend(psplit(char))
-    chars_ = Attr(chars_,
+    chars_ = CsvAttr(chars_,
             defaults=[True] if braille or dots else CHARS)
 
     wear_chars_ = []
@@ -1026,12 +1026,12 @@ def main(path='-', *,
             wear_chars_.extend((char[0], c) for c in psplit(char[1]))
         else:
             wear_chars_.extend(psplit(char))
-    wear_chars_ = Attr(wear_chars_,
+    wear_chars_ = CsvAttr(wear_chars_,
             defaults=[True] if braille or dots else WEAR_CHARS)
 
-    colors_ = Attr(colors, defaults=COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS)
 
-    wear_colors_ = Attr(wear_colors, defaults=WEAR_COLORS)
+    wear_colors_ = CsvAttr(wear_colors, defaults=WEAR_COLORS)
 
     # is bd geometry specified?
     if isinstance(block_size, tuple):
diff --git a/scripts/plot.py b/scripts/plot.py
index 4e0c687d..1ea58ea6 100755
--- a/scripts/plot.py
+++ b/scripts/plot.py
@@ -442,7 +442,7 @@ def fold(results, by=None, x=None, y=None, defines=[]):
     return datasets, dataattrs
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -466,20 +466,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -1264,7 +1264,7 @@ def main_(ring, csv_paths, *,
             chars_.extend((char[0], c) for c in psplit(char[1]))
         else:
             chars_.extend(psplit(char))
-    chars_ = Attr(chars_, defaults=(
+    chars_ = CsvAttr(chars_, defaults=(
             CHARS_POINTS_AND_LINES if points_and_lines
                 else [True]))
 
@@ -1274,13 +1274,13 @@ def main_(ring, csv_paths, *,
             line_chars_.extend((line_char[0], c) for c in psplit(line_char[1]))
         else:
             line_chars_.extend(psplit(line_char))
-    line_chars_ = Attr(line_chars_, defaults=(
+    line_chars_ = CsvAttr(line_chars_, defaults=(
             [True] if points_and_lines or not points
                 else [False]))
 
-    colors_ = Attr(colors, defaults=COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS)
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     # split %n newlines early
     title = (title.replace('%n', '\n').split('\n')
diff --git a/scripts/plotmpl.py b/scripts/plotmpl.py
index 2d66187b..baa96f8a 100755
--- a/scripts/plotmpl.py
+++ b/scripts/plotmpl.py
@@ -326,7 +326,7 @@ def fold(results, by=None, x=None, y=None, defines=[]):
     return datasets, dataattrs
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -350,20 +350,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -851,14 +851,14 @@ def main(csv_paths, output, *,
             svg = True
 
     # what colors/alphas/formats to use?
-    colors_ = Attr(colors, defaults=COLORS_DARK if dark else COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS_DARK if dark else COLORS)
 
-    formats_ = Attr(formats, defaults=(
+    formats_ = CsvAttr(formats, defaults=(
             FORMATS_POINTS_AND_LINES if points_and_lines
                 else FORMATS_POINTS if points
                 else FORMATS))
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     if font_color is not None:
         font_color_ = font_color
diff --git a/scripts/treemap.py b/scripts/treemap.py
index 4d8091cd..b4250236 100755
--- a/scripts/treemap.py
+++ b/scripts/treemap.py
@@ -309,7 +309,7 @@ def fold(results, by=None, fields=None, defines=[]):
     return datasets, dataattrs
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -333,20 +333,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -988,11 +988,11 @@ def main_(ring, csv_paths, *,
             chars_.extend((char[0], c) for c in psplit(char[1]))
         else:
             chars_.extend(psplit(char))
-    chars_ = Attr(chars_)
+    chars_ = CsvAttr(chars_)
 
-    colors_ = Attr(colors, defaults=COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS)
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     # figure out width/height
     if width is None:
diff --git a/scripts/treemapd3.py b/scripts/treemapd3.py
index 548e49cf..6f737236 100755
--- a/scripts/treemapd3.py
+++ b/scripts/treemapd3.py
@@ -177,7 +177,7 @@ def fold(results, by=None, fields=None, defines=[]):
     return datasets, dataattrs
 
 # a representation of optionally key-mapped attrs
-class Attr:
+class CsvAttr:
     def __init__(self, attrs, defaults=None):
         if attrs is None:
             attrs = []
@@ -201,20 +201,20 @@ class Attr:
             self.keyed[attr[0]].append(attr[1])
 
         # create attrs object for defaults
-        if isinstance(defaults, Attr):
+        if isinstance(defaults, CsvAttr):
             self.defaults = defaults
         elif defaults is not None:
-            self.defaults = Attr(defaults)
+            self.defaults = CsvAttr(defaults)
         else:
             self.defaults = None
 
     def __repr__(self):
         if self.defaults is None:
-            return 'Attr(%r)' % (
+            return 'CsvAttr(%r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs])
         else:
-            return 'Attr(%r, %r)' % (
+            return 'CsvAttr(%r, %r)' % (
                     [(','.join(attr[0]), attr[1])
                         for attr in self.attrs],
                     [(','.join(attr[0]), attr[1])
@@ -668,9 +668,9 @@ def main(csv_paths, output, *,
         no_header = True
 
     # what colors/labels to use?
-    colors_ = Attr(colors, defaults=COLORS_DARK if dark else COLORS)
+    colors_ = CsvAttr(colors, defaults=COLORS_DARK if dark else COLORS)
 
-    labels_ = Attr(labels)
+    labels_ = CsvAttr(labels)
 
     if background is not None:
         background_ = background