Apply suggestions from code review

Co-authored-by: Matthew Roeschke <[email protected]>

Author: lithomas1

pandas/conftest.py

@@ -1162,7 +1162,7 @@ def datapath(strict_data_files: str) -> Callable[..., str]:
     Raises
     ------
     ValueError
-        If the path doesn't exist and the --no-strict-data-files option is set.
+        If the path doesn't exist and the --no-strict-data-files option is not set.
     """
     BASE_PATH = os.path.join(os.path.dirname(__file__), "tests")
 
@@ -1171,7 +1171,7 @@ def deco(*args):
         if not os.path.exists(path):
             if strict_data_files:
                 raise ValueError(
-                    f"Could not find file {path} and --no-strict-data-files is notset."
+                    f"Could not find file {path} and --no-strict-data-files is not set."
                 )
             pytest.skip(f"Could not find {path}.")
         return path