hotfix run.py run

run.py

@@ -644,12 +644,10 @@ def run(lang: str, testcase: tuple[str, ...], verbose: bool):
             f_in_path = f"{TC_DIR}/{tc}.in"
             f_out_path = f"{TC_DIR}/{tc}.out"
 
-            with (
-                open(f_in_path, "r", encoding="utf-8") as f_in,
-                open(f_out_path, "r", encoding="utf-8") as f_out,
-            ):
+            with open(f_out_path, "r", encoding="utf-8") as f_out:
                 expected = f_out.read().strip()
 
+            f_in = open(f_in_path, "r", encoding="utf-8")
             proc = subprocess.Popen(
                 target_language.executable_command,
                 stdin=f_in,
@@ -663,6 +661,7 @@ def run(lang: str, testcase: tuple[str, ...], verbose: bool):
                     print(line, end="")
 
             stdout, stderr = proc.communicate()
+            f_in.close()
 
             if proc.returncode != 0:
                 click.secho(">>>>>> [RUN TIME ERROR] >>>>>>", fg="red", bold=True)