fix

Author: ggqlq

Lib/test/test_site.py

@@ -807,19 +807,24 @@ def test_underpth_dll_file(self):
 
 
 class CommandLineTests(unittest.TestCase):
-    def setUp(self):
-        super().setUp()
-        self.maxDiff = None # TODO: For test only, should be removed
-        if sys.path[0] != os.getcwd():
-            sys.path.remove(sys.path[0])
-            sys.path.insert(0, os.getcwd())
+    def get_sys_path(self):
+        proc = subprocess.Popen([sys.executable, '-c',
+                                 'import sys; print(repr(sys.path))'],
+                                 stdout=subprocess.PIPE,
+                                 stderr=subprocess.STDOUT,
+                                 text=True)
+        proc.wait()
+        ls = ast.literal_eval(proc.stdout.read())
+        if ls[0] == '':
+            ls[0] = os.getcwd()
+        return ls
 
     def get_excepted_output(self, *args):
         if len(args) == 0:
             user_base = site.getuserbase()
             user_site = site.getusersitepackages()
             output = "sys.path = [\n"
-            for dir in sys.path:
+            for dir in self.get_sys_path():
                 output += "    %r,\n" % (dir,)
             output += "]\n"
             def exists(path):
@@ -855,9 +860,10 @@ def invoke_command_line(self, *args):
         args = [sys.executable, "-m", "site", *args]
         proc = subprocess.Popen(args,
                                 stdout=subprocess.PIPE,
-                                stderr=subprocess.STDOUT,)
+                                stderr=subprocess.STDOUT,
+                                text=True)
         proc.wait()
-        output = proc.stdout.read().decode()
+        output = proc.stdout.read()
         return_code = proc.returncode
         proc.stdout.close()
         return return_code, dedent(output).strip()