Simplify series plotting test

Extra lint

Author: mroeschke

pandas/tests/plotting/test_series.py

@@ -3,7 +3,7 @@
 """ Test cases for Series.plot """
 
 
-import itertools
+from itertools import chain
 import pytest
 
 from datetime import datetime
@@ -333,8 +333,7 @@ def test_pie_series(self):
                                autopct='%.2f', fontsize=7)
         pcts = ['{0:.2f}'.format(s * 100)
                 for s in series.values / float(series.sum())]
-        iters = [iter(series.index), iter(pcts)]
-        expected_texts = [next(it) for it in itertools.cycle(iters)]
+        expected_texts = list(chain.from_iterable(zip(series.index, pcts)))
         self._check_text_labels(ax.texts, expected_texts)
         for t in ax.texts:
             assert t.get_fontsize() == 7

versioneer.py

@@ -606,11 +606,11 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         if verbose:
             print("keywords are unexpanded, not using")
         raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
-    refs = set(r.strip() for r in refnames.strip("()").split(","))
+    refs = {r.strip() for r in refnames.strip("()").split(",")}
     # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
     # just "foo-1.0". If we see a "tag: " prefix, prefer those.
     TAG = "tag: "
-    tags = set(r[len(TAG):] for r in refs if r.startswith(TAG))
+    tags = {r[len(TAG):] for r in refs if r.startswith(TAG)}
     if not tags:
         # Either we're using git < 1.8.3, or there really are no tags. We use
         # a heuristic: assume all version tags have a digit. The old git %%d
@@ -619,7 +619,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
         # "stabilization", as well as "HEAD" and "master".
-        tags = set(r for r in refs if re.search(r'\d', r))
+        tags = {r for r in refs if re.search(r'\d', r)}
         if verbose:
             print("discarding '%%s', no digits" %% ",".join(refs-tags))
     if verbose:
@@ -960,11 +960,11 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         if verbose:
             print("keywords are unexpanded, not using")
         raise NotThisMethod("unexpanded keywords, not a git-archive tarball")
-    refs = set(r.strip() for r in refnames.strip("()").split(","))
+    refs = {r.strip() for r in refnames.strip("()").split(",")}
     # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
     # just "foo-1.0". If we see a "tag: " prefix, prefer those.
     TAG = "tag: "
-    tags = set(r[len(TAG):] for r in refs if r.startswith(TAG))
+    tags = {r[len(TAG):] for r in refs if r.startswith(TAG)}
     if not tags:
         # Either we're using git < 1.8.3, or there really are no tags. We use
         # a heuristic: assume all version tags have a digit. The old git %d
@@ -973,7 +973,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
         # "stabilization", as well as "HEAD" and "master".
-        tags = set(r for r in refs if re.search(r'\d', r))
+        tags = {r for r in refs if re.search(r'\d', r)}
         if verbose:
             print("discarding '%s', no digits" % ",".join(refs-tags))
     if verbose: