Avoid backslash-quote by changing surrounding quotes.

anntzer · anntzer · commit b9e255247696 · 2019-05-06T09:24:03.000+02:00
diff --git a/examples/showcase/bachelors_degrees_by_gender.py b/examples/showcase/bachelors_degrees_by_gender.py
@@ -105,8 +105,8 @@
 
 # Note that if the title is descriptive enough, it is unnecessary to include
 # axis labels; they are self-evident, in this plot's case.
-fig.suptitle('Percentage of Bachelor\'s degrees conferred to women in '
-             'the U.S.A. by major (1970-2011)\n', fontsize=18, ha='center')
+fig.suptitle("Percentage of Bachelor's degrees conferred to women in "
+             "the U.S.A. by major (1970-2011)", fontsize=18, ha="center")
 
 # Finally, save the figure as a PNG.
 # You can also save it as a PDF, JPEG, etc.
diff --git a/lib/matplotlib/axes/_axes.py b/lib/matplotlib/axes/_axes.py
@@ -3203,8 +3203,7 @@ def errorbar(self, x, y, yerr=None, xerr=None,
             raise ValueError(
                 'errorevery must be positive integer or tuple of integers')
         if int(offset) != offset:
-            raise ValueError(
-                'errorevery\'s starting index must be an integer')
+            raise ValueError("errorevery's starting index must be an integer")
 
         self._process_unit_info(xdata=x, ydata=y, kwargs=kwargs)
 
diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py
@@ -82,7 +82,7 @@ def escape_comment(s):
 def escape_attrib(s):
     s = s.replace("&", "&amp;")
     s = s.replace("'", "&apos;")
-    s = s.replace("\"", "&quot;")
+    s = s.replace('"', "&quot;")
     s = s.replace("<", "&lt;")
     s = s.replace(">", "&gt;")
     return s
diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py
@@ -1520,13 +1520,11 @@ def get_locator(self, dmin, dmax):
             else:
                 # We went through the whole loop without breaking, default to
                 # the last interval in the list and raise a warning
-                cbook._warn_external('AutoDateLocator was unable to pick an '
-                                     'appropriate interval for this date '
-                                     'range. It may be necessary to add an '
-                                     'interval value to the '
-                                     'AutoDateLocator\'s intervald '
-                                     'dictionary. Defaulting to {0}.'
-                                     .format(interval))
+                cbook._warn_external(
+                    f"AutoDateLocator was unable to pick an appropriate "
+                    f"interval for this date range. It may be necessary to "
+                    f"add an interval value to the AutoDateLocator's "
+                    f"intervald dictionary. Defaulting to {interval}.")
 
             # Set some parameters as appropriate
             self._freq = freq
diff --git a/lib/matplotlib/tests/test_font_manager.py b/lib/matplotlib/tests/test_font_manager.py
@@ -160,9 +160,9 @@ def test_user_fonts_linux(tmpdir, monkeypatch):
 @pytest.mark.skipif(sys.platform != 'win32', reason='Windows only')
 def test_user_fonts_win32():
     if not os.environ.get('APPVEYOR', False):
-        pytest.xfail('This test does only work on appveyor since user fonts '
-                     'are Windows specific and the developer\'s font '
-                     'directory should remain unchanged')
+        pytest.xfail("This test does only work on appveyor since user fonts "
+                     "are Windows specific and the developer's font directory "
+                     "should remain unchanged.")
 
     font_test_file = 'mpltest.ttf'
 
