Fix: SyntaxError: invalid syntax

Closes SWE-agent#1

Author: sweagent

tests/missing_colon.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 
-def division(a: float, b: float) -> float
+def division(a: float, b: float) -> float:
     return a/b