Style fixes.

anntzer · anntzer · commit 60e5d9a888b1 · 2019-06-08T14:39:39.000+02:00
diff --git a/lib/matplotlib/animation.py b/lib/matplotlib/animation.py
@@ -315,9 +315,9 @@ def _adjust_frame_size(self):
         if self.codec == 'h264':
             wo, ho = self.fig.get_size_inches()
             w, h = adjusted_figsize(wo, ho, self.dpi, 2)
-            if not (wo, ho) == (w, h):
+            if (wo, ho) != (w, h):
                 self.fig.set_size_inches(w, h, forward=True)
-                _log.info('figure size (inches) has been adjusted '
+                _log.info('figure size in inches has been adjusted '
                           'from %s x %s to %s x %s', wo, ho, w, h)
         else:
             w, h = self.fig.get_size_inches()
diff --git a/lib/matplotlib/backends/backend_nbagg.py b/lib/matplotlib/backends/backend_nbagg.py
@@ -139,7 +139,7 @@ def clearup_closed(self):
 
     def remove_comm(self, comm_id):
         self.web_sockets = {socket for socket in self.web_sockets
-                            if not socket.comm.comm_id == comm_id}
+                            if socket.comm.comm_id != comm_id}
 
 
 class FigureCanvasNbAgg(FigureCanvasWebAggCore):
diff --git a/lib/matplotlib/backends/backend_ps.py b/lib/matplotlib/backends/backend_ps.py
@@ -917,7 +917,7 @@ def _print_figure(
         else:
             paper_width, paper_height = papersize[papertype]
 
-        if rcParams['ps.usedistiller'] and not papertype == 'auto':
+        if rcParams['ps.usedistiller'] and papertype != 'auto':
             # distillers will improperly clip eps files if the pagesize is
             # too small
             if width > paper_width or height > paper_height:
diff --git a/lib/matplotlib/backends/backend_svg.py b/lib/matplotlib/backends/backend_svg.py
@@ -151,12 +151,12 @@ def start(self, tag, attrib={}, **extra):
         self.__write(self.__indentation[:len(self.__tags) - 1])
         self.__write("<%s" % tag)
         for k, v in sorted({**attrib, **extra}.items()):
-            if not v == '':
+            if v:
                 k = escape_cdata(k)
                 v = escape_attrib(v)
                 self.__write(' %s="%s"' % (k, v))
         self.__open = 1
-        return len(self.__tags)-1
+        return len(self.__tags) - 1
 
     def comment(self, comment):
         """
@@ -229,7 +229,7 @@ def element(self, tag, text=None, attrib={}, **extra):
         :meth:`data`, and :meth:`end` in sequence. The *text* argument can be
         omitted.
         """
-        self.start(*(tag, attrib), **extra)
+        self.start(tag, attrib, **extra)
         if text:
             self.data(text)
         self.end(indent=False)
diff --git a/lib/matplotlib/backends/backend_webagg_core.py b/lib/matplotlib/backends/backend_webagg_core.py
@@ -468,7 +468,7 @@ def get_javascript(cls, stream=None):
         for filetype, ext in sorted(FigureCanvasWebAggCore.
                                     get_supported_filetypes_grouped().
                                     items()):
-            if not ext[0] == 'pgf':  # pgf does not support BytesIO
+            if ext[0] != 'pgf':  # pgf does not support BytesIO
                 extensions.append(ext[0])
         output.write("mpl.extensions = {0};\n\n".format(
             json.dumps(extensions)))
diff --git a/lib/matplotlib/dates.py b/lib/matplotlib/dates.py
@@ -1601,12 +1601,11 @@ class DayLocator(RRuleLocator):
     """
     def __init__(self, bymonthday=None, interval=1, tz=None):
         """
-        Mark every day in *bymonthday*; *bymonthday* can be an int or
-        sequence.
+        Mark every day in *bymonthday*; *bymonthday* can be an int or sequence.
 
-        Default is to tick every day of the month: ``bymonthday=range(1,32)``
+        Default is to tick every day of the month: ``bymonthday=range(1, 32)``.
         """
-        if not interval == int(interval) or interval < 1:
+        if interval != int(interval) or interval < 1:
             raise ValueError("interval must be an integer greater than 0")
         if bymonthday is None:
             bymonthday = range(1, 32)
diff --git a/lib/matplotlib/mathtext.py b/lib/matplotlib/mathtext.py
@@ -820,7 +820,7 @@ def _get_glyph(self, fontname, font_class, sym, fontsize, math=True):
         if found_symbol:
             if fontname == 'it' and uniindex < 0x10000:
                 char = chr(uniindex)
-                if (not unicodedata.category(char)[0] == "L"
+                if (unicodedata.category(char)[0] != "L"
                         or unicodedata.name(char).startswith("GREEK CAPITAL")):
                     new_fontname = 'rm'
 
diff --git a/lib/matplotlib/transforms.py b/lib/matplotlib/transforms.py
@@ -2899,6 +2899,8 @@ def offset_copy(trans, fig=None, x=0.0, y=0.0, units='inches'):
     if units == 'points':
         x /= 72.0
         y /= 72.0
-    elif not units == 'inches':
-        raise ValueError('units must be dots, points, or inches')
+    elif units == 'inches':
+        pass
+    else:
+        cbook._check_in_list(['dots', 'points', 'inches'], units=units)
     return trans + ScaledTranslation(x, y, fig.dpi_scale_trans)
diff --git a/lib/matplotlib/widgets.py b/lib/matplotlib/widgets.py
@@ -2231,7 +2231,7 @@ def _release(self, event):
     def _onmove(self, event):
         """on motion notify event if box/line is wanted"""
         # resize an existing shape
-        if self.active_handle and not self.active_handle == 'C':
+        if self.active_handle and self.active_handle != 'C':
             x1, x2, y1, y2 = self._extents_on_press
             if self.active_handle in ['E', 'W'] + self._corner_order:
                 x2 = event.xdata
