fixed linter errors and ambigious variable names

tudplot/utils.py

@@ -1,7 +1,6 @@
 import numpy as np
 import matplotlib.pyplot as plt
 import matplotlib as mpl
-from collections.abc import Iterable
 from matplotlib.cbook import flatten
 from itertools import cycle
 
@@ -48,8 +47,8 @@ def facet_plot(dframe, facets, props, ydata, layout=None, newfig=True, figsize=N
         plot_kwargs = kwargs.copy()
         for k in ['logx', 'logy', 'loglog']:
             plot_kwargs.pop(k, None)
-        for l, p in prop_styles.items():
-            ax0.plot([], label=str(l), **p, **plot_kwargs)
+        for label, p in prop_styles.items():
+            ax0.plot([], label=str(label), **p, **plot_kwargs)
         ax0.legend(loc='center left', bbox_to_anchor=(1, 0.5), fontsize='x-small')
     for ax, (ps, df) in zip(flatten(axs), dframe.groupby(facets, squeeze=False)):
         for prop, df_prop in df.groupby(props):
@@ -130,7 +129,7 @@ class CurvedText(mpl.text.Text):
 
         # points of the curve in figure coordinates:
         x_fig,y_fig = (
-            np.array(l) for l in zip(*self.axes.transData.transform([
+            np.array(line) for line in zip(*self.axes.transData.transform([
             (i,j) for i,j in zip(self.__x,self.__y)
             ]))
         )