Print warnings at end of load or pyscript instead of beginning

This is in case the user runs a long script - I don't want the warning to quickly scroll off the screen where they then never see it.

Author: tleonhardt

README.md

@@ -41,7 +41,7 @@ Main Features
 - Support for Python 3.5+ on Windows, macOS, and Linux
 - Trivial to provide built-in help for all commands
 - Built-in regression testing framework for your applications (transcript-based testing)
-- Transcripts for use with built-in regression can be automatically generated from `history -t` or `load -t`
+- Transcripts for use with built-in regression can be automatically generated from `history -t` or `run_script -t`
 - Alerts that seamlessly print while user enters text at prompt
 
 Python 2.7 support is EOL

cmd2/cmd2.py

@@ -429,8 +429,7 @@ def __init__(self, completekey: str = 'tab', stdin=None, stdout=None, *,
         # Built-in commands don't make use of this.  It is purely there for user-defined commands and convenience.
         self._last_result = None
 
-        # Used by run_script command to store the current script dir as
-        # a LIFO queue to support _relative_run_script command
+        # Used by run_script command to store current script dir as a LIFO queue to support _relative_run_script command
         self._script_dir = []
 
         # Context manager used to protect critical sections in the main thread from stopping due to a KeyboardInterrupt
@@ -3251,11 +3250,6 @@ def py_quit():
     @with_argparser(run_pyscript_parser)
     def do_run_pyscript(self, args: argparse.Namespace) -> bool:
         """Run a Python script file inside the console"""
-        if args.__statement__.command == "pyscript":
-            self.perror("pyscript has been renamed and will be removed in the next release, "
-                        "please use run_pyscript instead\n",
-                        traceback_war=False, err_color=Fore.LIGHTYELLOW_EX)
-
         script_path = os.path.expanduser(args.script_path)
         py_return = False
 
@@ -3277,6 +3271,11 @@ def do_run_pyscript(self, args: argparse.Namespace) -> bool:
             # Restore command line arguments to original state
             sys.argv = orig_args
 
+        if args.__statement__.command == "pyscript":
+            self.perror("pyscript has been renamed and will be removed in the next release, "
+                        "please use run_pyscript instead\n",
+                        traceback_war=False, err_color=Fore.LIGHTYELLOW_EX)
+
         return py_return
 
     # pyscript is deprecated
@@ -3654,11 +3653,6 @@ def do_run_script(self, args: argparse.Namespace) -> Optional[bool]:
         Run commands in script file that is encoded as either ASCII or UTF-8 text
         :return: True if running of commands should stop
         """
-        if args.__statement__.command == "load":
-            self.perror("load has been renamed and will be removed in the next release, "
-                        "please use run_script instead\n",
-                        traceback_war=False, err_color=Fore.LIGHTYELLOW_EX)
-
         expanded_path = os.path.abspath(os.path.expanduser(args.script_path))
 
         # Make sure the path exists and we can access it
@@ -3704,6 +3698,10 @@ def do_run_script(self, args: argparse.Namespace) -> Optional[bool]:
                 # Check if a script dir was added before an exception occurred
                 if orig_script_dir_count != len(self._script_dir):
                     self._script_dir.pop()
+            if args.__statement__.command == "load":
+                self.perror("load has been renamed and will be removed in the next release, "
+                            "please use run_script instead\n",
+                            traceback_war=False, err_color=Fore.LIGHTYELLOW_EX)
 
     # load has been deprecated
     do_load = do_run_script