Clean up flags.py

Author: gvanrossum

Tools/cases_generator/flags.py

@@ -53,7 +53,7 @@
 
 def makes_escaping_api_call(instr: parsing.InstDef) -> bool:
     if "CALL_INTRINSIC" in instr.name:
-        return True;
+        return True
     tkns = iter(instr.tokens)
     for tkn in tkns:
         if tkn.kind != lx.IDENTIFIER:
@@ -79,6 +79,7 @@ def makes_escaping_api_call(instr: parsing.InstDef) -> bool:
         return True
     return False
 
+
 @dataclasses.dataclass
 class InstructionFlags:
     """Construct and manipulate instruction flags"""
@@ -124,9 +125,7 @@ def fromInstruction(instr: parsing.InstDef) -> "InstructionFlags":
                 or variable_used(instr, "exception_unwind")
                 or variable_used(instr, "resume_with_error")
             ),
-            HAS_ESCAPES_FLAG=(
-                makes_escaping_api_call(instr)
-            ),
+            HAS_ESCAPES_FLAG=makes_escaping_api_call(instr),
         )
 
     @staticmethod