Upgrade black to version ~=22.0 (#15565)

* Upgrade black to version ~=22.0

* Check copies

* Fix code

utils/check_copies.py

@@ -88,7 +88,7 @@ def find_code_in_transformers(object_name):
     line_index = 0
     for name in parts[i + 1 :]:
         while (
-            line_index < len(lines) and re.search(fr"^{indent}(class|def)\s+{name}(\(|\:)", lines[line_index]) is None
+            line_index < len(lines) and re.search(rf"^{indent}(class|def)\s+{name}(\(|\:)", lines[line_index]) is None
         ):
             line_index += 1
         indent += "    "
@@ -130,7 +130,8 @@ def blackify(code):
     has_indent = len(get_indent(code)) > 0
     if has_indent:
         code = f"class Bla:\n{code}"
-    result = black.format_str(code, mode=black.FileMode([black.TargetVersion.PY35], line_length=119))
+    mode = black.Mode(target_versions={black.TargetVersion.PY35}, line_length=119)
+    result = black.format_str(code, mode=mode)
     result, _ = style_docstrings_in_code(result)
     return result[len("class Bla:\n") :] if has_indent else result
 

utils/get_modified_files.py

@@ -28,7 +28,7 @@ fork_point_sha = subprocess.check_output("git merge-base master HEAD".split()).d
 modified_files = subprocess.check_output(f"git diff --name-only {fork_point_sha}".split()).decode("utf-8").split()
 
 joined_dirs = "|".join(sys.argv[1:])
-regex = re.compile(fr"^({joined_dirs}).*?\.py$")
+regex = re.compile(rf"^({joined_dirs}).*?\.py$")
 
 relevant_modified_files = [x for x in modified_files if regex.match(x)]
 print(" ".join(relevant_modified_files), end="")

utils/style_doc.py

@@ -147,9 +147,8 @@ def format_code_example(code: str, max_len: int, in_docstring: bool = False):
     for k, v in BLACK_AVOID_PATTERNS.items():
         full_code = full_code.replace(k, v)
     try:
-        formatted_code = black.format_str(
-            full_code, mode=black.FileMode([black.TargetVersion.PY37], line_length=line_length)
-        )
+        mode = black.Mode(target_versions={black.TargetVersion.PY37}, line_length=line_length)
+        formatted_code = black.format_str(full_code, mode=mode)
         error = ""
     except Exception as e:
         formatted_code = full_code