Drop Travis CI and migrate Coveralls (#2186)

[etc/vim.git] / src / black / __init__.py

diff --git a/src/black/__init__.py b/src/black/__init__.py
index 1c69cc41cdce4f234efddcd55b1b0ec3c8781080..cf257876c035c27d94c1348212a55fc59a7e7f64 100644 (file)
--- a/src/black/__init__.py
+++ b/src/black/__init__.py
@@ -755,6 +755,8 @@ def reformat_one(
             is_stdin = False
 
         if is_stdin:
+            if src.suffix == ".pyi":
+                mode = replace(mode, is_pyi=True)
             if format_stdin_to_stdout(fast=fast, write_back=write_back, mode=mode):
                 changed = Changed.YES
         else:
@@ -5759,6 +5761,13 @@ def is_simple_decorator_trailer(node: LN, last: bool = False) -> bool:
             and node.children[0].type == token.DOT
             and node.children[1].type == token.NAME
         )
+        # last trailer can be an argument-less parentheses pair
+        or (
+            last
+            and len(node.children) == 2
+            and node.children[0].type == token.LPAR
+            and node.children[1].type == token.RPAR
+        )
         # last trailer can be arguments
         or (
             last