[gdb/python] Reformat missing_debug.py using black

Reformat gdb/python/lib/gdb/missing_debug.py with black after commit
e8c3dafa5f5 ("[gdb/python] Don't import curses.ascii module unless necessary").

diff --git a/gdb/python/lib/gdb/missing_debug.py b/gdb/python/lib/gdb/missing_debug.py
index b693bf2e47799d6d755e427ed062e708c86d22f8..7a768e5e05b34d9c174a239ee99c51a0ce86d502 100644 (file)
--- a/gdb/python/lib/gdb/missing_debug.py
+++ b/gdb/python/lib/gdb/missing_debug.py
@@ -19,18 +19,22 @@ MissingDebugHandler base class, and register_handler function.
 
 import gdb
 import sys
+
 if sys.version_info >= (3, 7):
     # Functions str.isascii() and str.isalnum are available starting Python
     # 3.7.
     def isascii(ch):
         return ch.isascii()
+
     def isalnum(ch):
         return ch.isalnum()
+
 else:
     # Fall back to curses.ascii.isascii() and curses.ascii.isalnum() for
     # earlier versions.
     from curses.ascii import isascii, isalnum
 
+
 def _validate_name(name):
     """Validate a missing debug handler name string.