Fix formatting

mythril/ethereum/util.py

@@ -188,7 +188,7 @@ def remove_comments_strings(prg):
         else:
             done += todo[: m.start()]
             if m[0] == "//":
-                end = todo.find('\n', m.end())
+                end = todo.find("\n", m.end())
                 todo = "" if end == -1 else todo[end:]
             elif m[0] == "/*":
                 end = todo.find("*/", m.end())