Update cf/test/test_docstring.py

Co-authored-by: Sadie L. Bartholomew <[email protected]>

Author: davidhassell

cf/test/test_docstring.py

@@ -87,14 +87,21 @@ def test_docstring(self):
                     if name.startswith("__") and not inspect.isfunction(f):
                         continue
 
-                    if f.__doc__ is not None:
-                        self.assertNotIn(
-                            "{{",
-                            f.__doc__,
-                            f"\nCLASS: {klass}"
-                            f"\nMETHOD NAME: {name}"
-                            f"\nMETHOD: {f}",
-                        )
+                    self.assertIsNotNone(
+                        f.__doc__,
+                        f"\nCLASS: {klass}"
+                        f"\nMETHOD NAME: {name}"
+                        f"\nMETHOD: {f}"
+                        f"\n__doc__: {f.__doc__}",
+                    )
+
+                    self.assertNotIn(
+                        "{{",
+                        f.__doc__,
+                        f"\nCLASS: {klass}"
+                        f"\nMETHOD NAME: {name}"
+                        f"\nMETHOD: {f}",
+                    )
 
     def test_docstring_package(self):
         string = f">>> f = {self.package}."