fixed linter errors and ambigious variable names

pygrace/__init__.py

@@ -1 +0,0 @@
-from .pygrace import saveagr

pygrace/colors.py

@@ -1,5 +1,4 @@
 import matplotlib as mpl
-import matplotlib.pyplot as plt
 import numpy as np
 from collections import OrderedDict
 from itertools import cycle
@@ -10,9 +9,9 @@ def make_cmap(colors, mapping=True):
         colors = np.array(colors.values())
     bit_rgb = np.linspace(0, 1, 256)
     position = np.linspace(0, 1, len(colors))
-    _cols = colors[:] + 0 
+    _cols = colors[:] + 0
     for i in range(len(colors)):
-        for j in xrange(3):
+        for j in range(3):
             _cols[i][j] = bit_rgb[colors[i][j]]
     if mapping:
         cdict = {'red': [], 'green':[], 'blue':[]}

pygrace/pygrace.py

@@ -263,13 +263,13 @@ legend char size {legend_fontsize}
                 getattr(self, d)()
 
         sanitize_strings(self.__dict__)
-        self.lines = {'s{}'.format(i): AgrLine(l, self) for i, l in enumerate(axis.lines)}
+        self.lines = {'s{}'.format(i): AgrLine(line, self) for i, line in enumerate(axis.lines)}
         self.texts = [AgrText(t, self) for t in self.axis.texts]
 
     def __str__(self):
         o = self.fmt.format(**self.__dict__)
-        for k, l in self.lines.items():
-            o += textwrap.indent(str(l), prefix=k + ' ')
+        for k, line in self.lines.items():
+            o += textwrap.indent(str(line), prefix=k + ' ')
         for txt in self.texts:
             o += 'with string\n'
             o += textwrap.indent(str(txt), prefix='    ')