fix: flake8

Author: kir0ul

lib/matplotlib/tests/test_texmanager.py

@@ -44,10 +44,10 @@ def test_font_selection(rc, preamble, family):
     assert [*re.findall(r"\\\w+family", src)] == [family]
 
 def test_usetex_with_underscore():
-    plt.rcParams['text.usetex'] = True
-    df = {'a_b': range(5)[::-1], 'c': range(5)}
+    plt.rcParams["text.usetex"] = True
+    df = {"a_b": range(5)[::-1], "c": range(5)}
     fig, ax = plt.subplots()
-    ax.plot('c', 'a_b', data=df)
+    ax.plot("c", "a_b", data=df)
     ax.legend()
-    ax.text(0, 0, 'foo_bar', usetex=True)
+    ax.text(0, 0, "foo_bar", usetex=True)
     plt.draw()  # TeX rendering is done at draw time

lib/matplotlib/texmanager.py

@@ -250,8 +250,10 @@ def make_dvi(self, tex, fontsize):
             # final output dir ensures that they are on the same filesystem,
             # and thus replace() works atomically.
             with TemporaryDirectory(dir=Path(dvifile).parent) as tmpdir:
-                shutil.copy(
-                    cbook._get_data_path(Path("latex").joinpath("underscore.sty")), tmpdir)
+                shutil.copy(cbook._get_data_path(
+                    Path("latex").joinpath("underscore.sty")),
+                    tmpdir,
+                )
                 self._run_checked_subprocess(
                     ["latex", "-interaction=nonstopmode", "--halt-on-error",
                      texfile], tex, cwd=tmpdir)