fix: the position of judgment

chatglm/__init__.py

@@ -0,0 +1,13 @@
+import sys
+
+
+class UnsupportedPythonVersionError(Exception):
+    def __init__(self, error_msg: str):
+        super().__init__(error_msg)
+
+
+python_version_info = sys.version_info
+if not sys.version_info >= (3, 9):
+    msg = "当前Python版本: " + ".".join(map(str, python_version_info[:3])) + (', 需要python版本 >= 3.9, 前往下载: '
+                                                                              'https://www.python.org/downloads/')
+    raise UnsupportedPythonVersionError(msg)

check_env/__init__.py

@@ -1,13 +0,0 @@
-import sys
-
-
-class UnsupportedPythonVersionError(Exception):
-    def __init__(self, error_msg: str):
-        super().__init__(error_msg)
-
-
-python_version_info = sys.version_info
-if not sys.version_info >= (3, 9):
-    msg = "当前Python版本: " + ".".join(map(str, python_version_info[:3])) + (', 需要python版本 >= 3.9, 前往下载: '
-                                                                              'https://www.python.org/downloads/')
-    raise UnsupportedPythonVersionError(msg)

main.py

@@ -2,7 +2,6 @@
 # -*- coding: utf-8 -*-
 
 import signal
-import check_env
 
 from argparse import ArgumentParser