diff --git a/IPython/core/tests/test_magic.py b/IPython/core/tests/test_magic.py
index 9eab3a8..10dd8ce 100644
--- a/IPython/core/tests/test_magic.py
+++ b/IPython/core/tests/test_magic.py
@@ -1060,11 +1060,11 @@ def test_save():
         ip.run_line_magic("save", "%s 1-10" % file)
         content = Path(file).read_text()
         nt.assert_equal(content.count(cmds[0]), 1)
-        nt.assert_in('coding: utf-8', content)
+        nt.assert_in("coding: utf-8", content)
         ip.run_line_magic("save", "-a %s 1-10" % file)
         content = Path(file).read_text()
         nt.assert_equal(content.count(cmds[0]), 2)
-        nt.assert_in('coding: utf-8', content)
+        nt.assert_in("coding: utf-8", content)
 
 
 def test_store():
@@ -1240,7 +1240,7 @@ def test_run_module_from_import_hook():
                 return imp.load_source('my_tmp', fullpath)
 
             def get_code(self, fullname):
-                return compile(Path(fullpath).read_text(), 'foo', 'exec')
+                return compile(Path(fullpath).read_text(), "foo", "exec")
 
             def is_package(self, __):
                 return False
diff --git a/docs/autogen_config.py b/docs/autogen_config.py
index 0330b6d..ec24392 100755
--- a/docs/autogen_config.py
+++ b/docs/autogen_config.py
@@ -118,7 +118,7 @@ def write_doc(name, title, app, preamble=None):
 
 if __name__ == '__main__':
     # Touch this file for the make target
-    Path(generated).write_text('')
+    Path(generated).write_text("")
 
     write_doc('terminal', 'Terminal IPython options', TerminalIPythonApp())
     write_doc('kernel', 'IPython kernel options', IPKernelApp(),
diff --git a/docs/autogen_magics.py b/docs/autogen_magics.py
index ca4a69f..14adfa2 100644
--- a/docs/autogen_magics.py
+++ b/docs/autogen_magics.py
@@ -63,5 +63,5 @@ for name, func in sorted(magics['cell'].items(), key=sortkey):
                    ""])
 
 here = os.path.dirname(__file__)
-dest = Path(os.path.join(here, 'source', 'interactive', 'magics-generated.txt'))
+dest = Path(os.path.join(here, "source", "interactive", "magics-generated.txt"))
 dest.write_text("\n".join(output))