Fix small problem

src/regit/__main__.py

@@ -191,10 +191,10 @@ def mktransformer(program, args, batch):
                             fin.write(str(tmp_file).encode("utf-8") + b"\n")  # type: ignore
                             fin.flush()
                             log.debug("Waiting for respond.")
-                            reps = (fout.readline().decode(),)  # type:ignore
+                            reps = fout.readline().decode()  # type:ignore
                             log.debug("Process respond %s:", reps)
                     except subprocess.CalledProcessError:
-                        file = Path(file.name).with_suffix("input").absolute()
+                        file = Path(file.name).with_suffix(".input").absolute()
                         log.error("Writing argument to %s", file)
                         with open(file, "wb") as f:
                             f.write(content)
@@ -215,7 +215,7 @@ def mktransformer(program, args, batch):
                     try:
                         utils.run([program] + pargs)
                     except subprocess.CalledProcessError:
-                        file = Path(file.name).with_suffix("input").absolute()
+                        file = Path(file.name).with_suffix(".input").absolute()
                         log.error("Writing argument to %s", file)
                         with open(file, "wb") as f:
                             f.write(content)