diff --git a/IPython/core/interactiveshell.py b/IPython/core/interactiveshell.py
index 0691264..f7bacf4 100644
--- a/IPython/core/interactiveshell.py
+++ b/IPython/core/interactiveshell.py
@@ -213,14 +213,17 @@ class ExecutionInfo(object):
         raw_cell = (
             (self.raw_cell[:50] + "..") if len(self.raw_cell) > 50 else self.raw_cell
         )
-        return '<%s object at %x, raw_cell="%s" store_history=%s silent=%s shell_futures=%s cell_id=%s>' % (
-            name,
-            id(self),
-            raw_cell,
-            self.store_history,
-            self.silent,
-            self.shell_futures,
-            self.cell_id,
+        return (
+            '<%s object at %x, raw_cell="%s" store_history=%s silent=%s shell_futures=%s cell_id=%s>'
+            % (
+                name,
+                id(self),
+                raw_cell,
+                self.store_history,
+                self.silent,
+                self.shell_futures,
+                self.cell_id,
+            )
         )
 
 
diff --git a/IPython/testing/plugin/pytest_ipdoctest.py b/IPython/testing/plugin/pytest_ipdoctest.py
index 809713d..4ba2f1a 100644
--- a/IPython/testing/plugin/pytest_ipdoctest.py
+++ b/IPython/testing/plugin/pytest_ipdoctest.py
@@ -782,7 +782,7 @@ def _init_checker_class() -> Type["IPDoctestOutputChecker"]:
                 precision = 0 if fraction is None else len(fraction)
                 if exponent is not None:
                     precision -= int(exponent)
-                if float(w.group()) == approx(float(g.group()), abs=10 ** -precision):
+                if float(w.group()) == approx(float(g.group()), abs=10**-precision):
                     # They're close enough. Replace the text we actually
                     # got with the text we want, so that it will match when we
                     # check the string literally.
diff --git a/IPython/utils/path.py b/IPython/utils/path.py
index 51013c0..a3a417d 100644
--- a/IPython/utils/path.py
+++ b/IPython/utils/path.py
@@ -85,11 +85,11 @@ def get_py_filename(name):
     name = os.path.expanduser(name)
     if os.path.isfile(name):
         return name
-    if not name.endswith('.py'):
-        py_name = name + '.py'
+    if not name.endswith(".py"):
+        py_name = name + ".py"
         if os.path.isfile(py_name):
             return py_name
-    raise IOError('File `%r` not found.' % name)
+    raise IOError("File `%r` not found." % name)
 
 
 def filefind(filename: str, path_dirs=None) -> str: