style: ensure trailing commas in multi-line statements

src/jcloud_docsgen/utils.py

@@ -41,7 +41,7 @@ class ExistingDirectory(pathlib.Path):
             raise FileNotFoundError(
                 errno.ENOENT,
                 'no such file or directory',
-                path
+                path,
             )
         if not os.path.isdir(path):
             raise NotADirectoryError(errno.ENOTDIR, 'not a directory', path)
@@ -61,7 +61,7 @@ class ExistingFile(pathlib.Path):
             raise FileNotFoundError(
                 errno.ENOENT,
                 'no such file or directory',
-                path
+                path,
             )
         if not os.path.isfile(path):
             raise IsADirectoryError(errno.EISDIR, 'is a directory', path)
@@ -85,7 +85,7 @@ def _quote(string: str, quotation_mark: str) -> str:
 def human_readable_list(
     ls: list,
     final_separator: str = 'and',
-    quotation_mark: str = ''
+    quotation_mark: str = '',
 ) -> str:
     '''
     Generates a human-readable list from a list.
@@ -118,7 +118,7 @@ def human_readable_list(
                 quotation_mark
             ) # quote the string representation of the object
             for obj in ls[:-1] # do not include the last element of the list
-        ]
+        ],
     ) + ' ' + final_separator + ' ' + _quote(str(ls[-1]), quotation_mark)
 
 def _list_type_names(types: list[type]) -> list[str]:
@@ -140,13 +140,13 @@ def assert_that_is_instance(
     class_or_tuple: Union[
         type,
         types.UnionType,
-        tuple[type, ...]
-    ]
+        tuple[type, ...],
+    ],
 ) -> None:
     if not isinstance(class_or_tuple, Union[type, types.UnionType, tuple]):
         raise TypeError(
             f'class_or_tuple: expected \'Union[type, types.UnionType, '
-            f'tuple[type, ...]]\', \'got {type(class_or_tuple).__name__}\''
+            f'tuple[type, ...]]\', \'got {type(class_or_tuple).__name__}\'',
         )
     if not isinstance(obj, class_or_tuple):
         if isinstance(class_or_tuple, (tuple, types.UnionType)):
@@ -157,13 +157,14 @@ def assert_that_is_instance(
             else:
                 exception_message_expected = ''
             exception_message_expected += human_readable_list(
-                _list_type_names(class_or_tuple), 'or', '\'')
+                _list_type_names(class_or_tuple), 'or', '\'',
+            )
         else:
             exception_message_expected = '\'' + class_or_tuple.__name__ + '\''
         raise TypeError(
             f'expected {exception_message_expected}, got \'{type(
                 obj
-            ).__name__}\''
+            ).__name__}\'',
         )
 
 def non_empty_str(value: Union[str, None]) -> Union[str, None]:
@@ -192,7 +193,7 @@ def non_empty_str(value: Union[str, None]) -> Union[str, None]:
 
 def get_relative_path_segments(
     path: pathlib.Path,
-    root: pathlib.Path
+    root: pathlib.Path,
 ) -> list[str]:
     '''
     Returns the path segments relative to ``root``.
@@ -209,7 +210,7 @@ def get_relative_path_segments(
     return list(
         path.resolve()
         .relative_to(
-            root.resolve()
+            root.resolve(),
         )
-        .parts
+        .parts,
     )