Fix formatting

Signed-off-by: Arthur Chan <arthur.chan@adalogics.com>

src/fuzz_introspector/code_coverage.py

@@ -691,7 +691,7 @@ def load_jvm_coverage(target_dir: str,
                 # Determine method full signaturre
                 desc = method.attrib['desc'].split('(', 1)[1].split(')', 1)[0]
                 args = _interpret_jvm_arguments_type(desc)
-                name = '[{class_name}].{method.attrib["name"]}(",".join(args))'
+                name = f'[{class_name}].{method.attrib["name"]}({",".join(args)})'
 
                 start_line = int(method.attrib['line'])
                 total_line = 0