diff --git a/python/helpers/pydev/_pydev_jy_imports_tipper.py b/python/helpers/pydev/_pydev_jy_imports_tipper.py
index db1d7f895106..a60d47afa690 100644
--- a/python/helpers/pydev/_pydev_jy_imports_tipper.py
+++ b/python/helpers/pydev/_pydev_jy_imports_tipper.py
@@ -190,12 +190,20 @@ def ismethod(func):
                 args = list(names[:nargs])
                 step = 0
 
+                if not hasattr(func_code, 'CO_VARARGS'):
+                    from org.python.core import CodeFlag
+                    co_varargs_flag = CodeFlag.CO_VARARGS.flag
+                    co_varkeywords_flag = CodeFlag.CO_VARKEYWORDS.flag
+                else:
+                    co_varargs_flag = func_code.CO_VARARGS
+                    co_varkeywords_flag = func_code.CO_VARKEYWORDS
+
                 varargs = None
-                if func_code.co_flags & func_code.CO_VARARGS:
+                if func_code.co_flags & co_varargs_flag:
                     varargs = func_code.co_varnames[nargs]
                     nargs = nargs + 1
                 varkw = None
-                if func_code.co_flags & func_code.CO_VARKEYWORDS:
+                if func_code.co_flags & co_varkeywords_flag:
                     varkw = func_code.co_varnames[nargs]
                 return args, varargs, varkw
 
diff --git a/python/helpers/pydev/pydev_monkey.py b/python/helpers/pydev/pydev_monkey.py
index d92378ed0ee1..a43c492ed46c 100644
--- a/python/helpers/pydev/pydev_monkey.py
+++ b/python/helpers/pydev/pydev_monkey.py
@@ -277,6 +277,16 @@ os.spawnvpe(mode, file, args, env)
         return getattr(os, original_name)(mode, path, patch_args(args), env)
     return new_spawnve
 
+def create_fork_exec(original_name):
+    """
+_posixsubprocess.fork_exec(args, executable_list, close_fds, ... (13 more))
+    """
+    def new_fork_exec(args, *other_args):
+        import _posixsubprocess
+        args = patch_args(args)
+        return getattr(_posixsubprocess, original_name)(args, *other_args)
+    return new_fork_exec
+
 def create_CreateProcess(original_name):
     """
 CreateProcess(*args, **kwargs)
@@ -351,6 +361,11 @@ def patch_new_process_functions():
 
     if sys.platform != 'win32':
         monkey_patch_os('fork', create_fork)
+        try:
+            import _posixsubprocess
+            monkey_patch_module(_posixsubprocess, 'fork_exec', create_fork_exec)
+        except ImportError:
+            pass
     else:
         #Windows
         try:
@@ -380,6 +395,11 @@ def patch_new_process_functions_with_warning():
 
     if sys.platform != 'win32':
         monkey_patch_os('fork', create_warn_multiproc)
+        try:
+            import _posixsubprocess
+            monkey_patch_module(_posixsubprocess, 'fork_exec', create_warn_multiproc)
+        except ImportError:
+            pass
     else:
         #Windows
         try:
diff --git a/python/helpers/pydev/pydev_monkey_qt.py b/python/helpers/pydev/pydev_monkey_qt.py
index 2da5655f5dff..6274f02f76be 100644
--- a/python/helpers/pydev/pydev_monkey_qt.py
+++ b/python/helpers/pydev/pydev_monkey_qt.py
@@ -66,7 +66,7 @@ def _patch_import_to_patch_pyqt_on_import(patch_qt_on_import):
             #we should not show frame added by patched_import call
             return type, value, traceback.tb_next
         return type, value, traceback
-    
+
     def patched_import(name, *args, **kwargs):
         if patch_qt_on_import == name or name.startswith(dotted):
             builtins.__import__ = original_import
@@ -80,7 +80,7 @@ def _patch_import_to_patch_pyqt_on_import(patch_qt_on_import):
         import __builtin__ as builtins
     builtins.__import__ = patched_import
     sys.exc_info = patched_exc_info
-    
+
     
 def _internal_patch_qt():
     try:
@@ -97,7 +97,7 @@ def _internal_patch_qt():
     _original_thread_init = QtCore.QThread.__init__
     _original_runnable_init = QtCore.QRunnable.__init__
     _original_QThread = QtCore.QThread
-    
+
     
     class FuncWrapper: