Fix async blackd tests which won't fail currently (#966)

[etc/vim.git] / black.py

diff --git a/black.py b/black.py
index 910a0ed1e3748f5996620d2cf4bedd3b199b01b3..05edf1a2ae320c3bd3b9a11c57b2edd3a314a4cf 100644 (file)
--- a/black.py
+++ b/black.py
@@ -1480,7 +1480,13 @@ class EmptyLineTracker:
         lines (two on module-level).
         """
         before, after = self._maybe_empty_lines(current_line)
-        before -= self.previous_after
+        before = (
+            # Black should not insert empty lines at the beginning
+            # of the file
+            0
+            if self.previous_line is None
+            else before - self.previous_after
+        )
         self.previous_after = after
         self.previous_line = current_line
         return before, after
@@ -3008,8 +3014,7 @@ def maybe_make_parens_invisible_in_atom(node: LN, parent: LN) -> bool:
         # make parentheses invisible
         first.value = ""  # type: ignore
         last.value = ""  # type: ignore
-        if len(node.children) > 1:
-            maybe_make_parens_invisible_in_atom(node.children[1], parent=parent)
+        maybe_make_parens_invisible_in_atom(node.children[1], parent=parent)
         return False
 
     return True