Fix repl hang is python 3.12 and above. the module 'imp' was removed.

Build/debugpy-version.txt

@@ -1 +1 @@
-1.8.14
+1.8.16

Python/Product/PythonTools/ptvsd/repl/__init__.py

@@ -39,12 +39,19 @@
 import select
 import time
 import struct
-import imp
+import types
+# Add compatibility code:
+try:
+    # Python < 3.12
+    import imp
+    new_module = imp.new_module
+except ImportError:
+    # Python >= 3.12 - imp module was removed
+    new_module = types.ModuleType
 import traceback
 import random
 import os
 import inspect
-import types
 from collections import deque
 import ptvsd.util as _vspu
 
@@ -557,7 +564,7 @@ def __init__(self, mod_name='__main__'):
                 self.exec_mod = Scope()
                 self.exec_mod.__name__ = '__main__'
             else:
-                self.exec_mod = imp.new_module(mod_name)
+                self.exec_mod = new_module(mod_name)
                 # On 2.6, the below messes up the globals of the calling script
                 # if it is in sys.modules of the same name.
                 if sys.version_info >= (2, 7):

Python/Product/PythonTools/ptvsd/util.py

@@ -21,8 +21,14 @@
 # attach scenario, it is loaded on the injected debugger attach thread, and if threading module
 # hasn't been loaded already, it will assume that the thread on which it is being loaded is the
 # main thread. This will cause issues when the thread goes away after attach completes.
-
-import imp
+import types
+try:
+    # Python < 3.12
+    import imp
+    new_module = imp.new_module
+except ImportError:
+    # Python >= 3.12 - imp module was removed
+    new_module = types.ModuleType
 import os
 import sys
 import struct
@@ -72,7 +78,7 @@ def exec_code(code, file, global_variables):
 
     global_variables = dict(global_variables)
     mod_name = global_variables.setdefault('__name__', '<run_path>')
-    mod = sys.modules[mod_name] = imp.new_module(mod_name)
+    mod = sys.modules[mod_name] = new_module(mod_name)
     mod.__dict__.update(global_variables)
     global_variables = mod.__dict__
     global_variables.setdefault('__file__', file)

package.json

@@ -2,6 +2,6 @@
     "name":  "ptvs",
     "private":  true,
     "devDependencies":  {
-                            "@pylance/pylance":  "2025.6.2"
+                            "@pylance/pylance":  "2025.7.1"
                         }
 }