Format black source with new formatting change

src/black/__init__.py

@@ -1050,7 +1050,7 @@ def format_ipynb_string(src_contents: str, *, fast: bool, mode: Mode) -> FileCon
     Operate cell-by-cell, only on code cells, only for Python notebooks.
     If the ``.ipynb`` originally had a trailing newline, it'll be preserved.
     """
-    trailing_newline = src_contents[-1] == "\n"
+    trailing_newline = (src_contents[-1] == "\n")
     modified = False
     nb = json.loads(src_contents)
     validate_metadata(nb)

src/black/parsing.py

@@ -24,7 +24,7 @@
 
 ast3: Any
 
-_IS_PYPY = platform.python_implementation() == "PyPy"
+_IS_PYPY = (platform.python_implementation() == "PyPy")
 
 try:
     from typed_ast import ast3

src/black/trans.py

@@ -1397,7 +1397,7 @@ def passes_all_checks(i: Index) -> bool:
                 True iff ALL of the conditions listed in the 'Transformations'
                 section of this classes' docstring would be be met by returning @i.
             """
-            is_space = string[i] == " "
+            is_space = (string[i] == " ")
 
             is_not_escaped = True
             j = i - 1

src/black_primer/lib.py

@@ -29,7 +29,7 @@
 
 
 TEN_MINUTES_SECONDS = 600
-WINDOWS = system() == "Windows"
+WINDOWS = (system() == "Windows")
 BLACK_BINARY = "black.exe" if WINDOWS else "black"
 GIT_BINARY = "git.exe" if WINDOWS else "git"
 LOG = logging.getLogger(__name__)
@@ -158,7 +158,7 @@ async def black_run(
         )
         return
 
-    stdin_test = project_name.upper() == "STDIN"
+    stdin_test = (project_name.upper() == "STDIN")
     cmd = [str(which(BLACK_BINARY))]
     if "cli_arguments" in project_config and project_config["cli_arguments"]:
         cmd.extend(_flatten_cli_args(project_config["cli_arguments"]))
@@ -348,7 +348,7 @@ async def project_runner(
             continue
 
         repo_path: Optional[Path] = Path(__file__)
-        stdin_project = project_name.upper() == "STDIN"
+        stdin_project = (project_name.upper() == "STDIN")
         if not stdin_project:
             repo_path = await git_checkout_or_rebase(work_path, project_config, rebase)
             if not repo_path:

src/blackd/middlewares.py

@@ -10,7 +10,7 @@
 def cors(allow_headers: Iterable[str]) -> Middleware:
     @middleware
     async def impl(request: Request, handler: Handler) -> StreamResponse:
-        is_options = request.method == "OPTIONS"
+        is_options = (request.method == "OPTIONS")
         is_preflight = is_options and "Access-Control-Request-Method" in request.headers
         if is_preflight:
             resp = StreamResponse()

tests/test_format.py

@@ -48,6 +48,7 @@
     "function2",
     "function_trailing_comma",
     "import_spacing",
+    "parenthesized_context_managers",
     "remove_parens",
     "slices",
     "string_prefixes",