Update for later python compatibility

Author: bubthegreat

src/rom24/game_utils.py

@@ -467,7 +467,7 @@ def old_is_name(arg, name):
     return False
 
 
-_breakup = re.compile("(\".*?\"|'.*?'|[^\s]+)")
+_breakup = re.compile(r"(\".*?\"|'.*?'|[^\s]+)")
 
 
 def is_name(arg, name):

src/rom24/instance.py

@@ -188,7 +188,7 @@ def from_json(data):
     # there's a from_json() method to call.  If so, let it handle things.
     if hasattr(data, "keys"):
         for k in data.keys():
-            found = re.findall("__class__\/((?:\w+)\.)*(\w+)", k)
+            found = re.findall(r"__class__/((?:\w+)\.)*(\w+)", k)
             if found:
                 import importlib
 

src/rom24/miniboa/telnet.py

@@ -366,7 +366,7 @@ def _recv_byte(self, byte):
 
     def _echo_byte(self, byte):
         """
-        Echo a character back to the client and convert LF into CR\LF.
+        Echo a character back to the client and convert LF into CR\\LF.
         """
         if byte == "\n":
             self.send_buffer += "\r"

src/rom24/sys_utils.py

@@ -3,7 +3,7 @@
 import psutil  # type: ignore
 import time
 from datetime import datetime
-from collections import Iterable
+from collections.abc import Iterable
 import itertools
 import logging