diff --git a/src/transformers/modeling_auto.py b/src/transformers/modeling_auto.py
index fad40db2fa25..3ec971325075 100644
--- a/src/transformers/modeling_auto.py
+++ b/src/transformers/modeling_auto.py
@@ -494,8 +494,8 @@
                     - The model is a model provided by the library (loaded with the `shortcut name` string of a
                       pretrained model).
                     - The model was saved using :meth:`~transformers.PreTrainedModel.save_pretrained` and is reloaded
-                      by suppling the save directory.
-                    - The model is loaded by suppling a local directory as ``pretrained_model_name_or_path`` and a
+                      by supplying the save directory.
+                    - The model is loaded by supplying a local directory as ``pretrained_model_name_or_path`` and a
                       configuration JSON file named `config.json` is found in the directory.
             state_dict (`Dict[str, torch.Tensor]`, `optional`):
                 A state dictionary to use instead of a state dictionary loaded from saved weights file.
diff --git a/src/transformers/modeling_tf_utils.py b/src/transformers/modeling_tf_utils.py
index f33275c6164f..ab3523b8724e 100644
--- a/src/transformers/modeling_tf_utils.py
+++ b/src/transformers/modeling_tf_utils.py
@@ -550,8 +550,8 @@ def from_pretrained(cls, pretrained_model_name_or_path, *model_args, **kwargs):
                     - The model is a model provided by the library (loaded with the `shortcut name` string of a
                       pretrained model).
                     - The model was saved using :func:`~transformers.TFPreTrainedModel.save_pretrained` and is reloaded
-                      by suppling the save directory.
-                    - The model is loaded by suppling a local directory as ``pretrained_model_name_or_path`` and a
+                      by supplying the save directory.
+                    - The model is loaded by supplying a local directory as ``pretrained_model_name_or_path`` and a
                       configuration JSON file named `config.json` is found in the directory.
             from_pt: (:obj:`bool`, `optional`, defaults to :obj:`False`):
                 Load the model weights from a PyTorch state_dict save file (see docstring of
diff --git a/src/transformers/modeling_utils.py b/src/transformers/modeling_utils.py
index 195df8681078..b7a87f99a179 100755
--- a/src/transformers/modeling_utils.py
+++ b/src/transformers/modeling_utils.py
@@ -784,8 +784,8 @@ def from_pretrained(cls, pretrained_model_name_or_path, *model_args, **kwargs):
                     - The model is a model provided by the library (loaded with the `shortcut name` string of a
                       pretrained model).
                     - The model was saved using :func:`~transformers.PreTrainedModel.save_pretrained` and is reloaded
-                      by suppling the save directory.
-                    - The model is loaded by suppling a local directory as ``pretrained_model_name_or_path`` and a
+                      by supplying the save directory.
+                    - The model is loaded by supplying a local directory as ``pretrained_model_name_or_path`` and a
                       configuration JSON file named `config.json` is found in the directory.
             state_dict (:obj:`Dict[str, torch.Tensor]`, `optional`):
                 A state dictionary to use instead of a state dictionary loaded from saved weights file.
diff --git a/tests/test_doc_samples.py b/tests/test_doc_samples.py
index 716537c95584..8e945bae9db9 100644
--- a/tests/test_doc_samples.py
+++ b/tests/test_doc_samples.py
@@ -36,8 +36,8 @@ def analyze_directory(
         self,
         directory: Path,
         identifier: Union[str, None] = None,
-        ignore_files: Union[List[str], None] = [],
-        n_identifier: Union[str, None] = None,
+        ignore_files: Union[List[str], None] = None,
+        n_identifier: Union[str, List[str], None] = None,
         only_modules: bool = True,
     ):
         """
@@ -45,7 +45,7 @@ def analyze_directory(
         the doctests in those files
 
         Args:
-            directory (:obj:`str`): Directory containing the files
+            directory (:obj:`Path`): Directory containing the files
             identifier (:obj:`str`): Will parse files containing this
             ignore_files (:obj:`List[str]`): List of files to skip
             n_identifier (:obj:`str` or :obj:`List[str]`): Will not parse files containing this/these identifiers.
@@ -63,6 +63,7 @@ def analyze_directory(
             else:
                 files = [file for file in files if n_identifier not in file]
 
+        ignore_files = ignore_files or []
         ignore_files.append("__init__.py")
         files = [file for file in files if file not in ignore_files]
 
@@ -71,8 +72,8 @@ def analyze_directory(
             print("Testing", file)
 
             if only_modules:
+                module_identifier = file.split(".")[0]
                 try:
-                    module_identifier = file.split(".")[0]
                     module_identifier = getattr(transformers, module_identifier)
                     suite = doctest.DocTestSuite(module_identifier)
                     result = unittest.TextTestRunner().run(suite)
@@ -84,7 +85,7 @@ def analyze_directory(
                 self.assertIs(result.failed, 0)
 
     def test_modeling_examples(self):
-        transformers_directory = "src/transformers"
+        transformers_directory = Path("src/transformers")
         files = "modeling"
         ignore_files = [
             "modeling_ctrl.py",