overuse of Python2 quoting

[fizwit]

Python3 no longer allows the syntax: backslash period to search for a period. Additionally, not all Python sources have python3 shebang

SyntaxWarning: invalid escape sequence '\.'

Sample fix for internals/python/cli.py

--- shapemapper2-2.3.orig/internals/python/cli.py       2024-11-22 13:54:45.000000000 -0800
+++ shapemapper2-2.3/internals/python/cli.py    2025-05-20 14:33:43.102406000 -0700
@@ -222,7 +222,7 @@
             sub_name=arg_dict['name']
             try:
                files = os.listdir(pipeline.out)
-               n7_message_file_regex =  "\." + sub_name + ".*_n7message.txt"
+               n7_message_file_regex =  "." + sub_name + ".*_n7message.txt"
                for f in files:
                   if re.findall(n7_message_file_regex, f) != []:
                      n7_message_file = pipeline.out + "/" + f
@@ -231,9 +231,9 @@
                   if "low N7" in warnings:
                      to_remove = []

-                     mod_ga_regex = sub_name + "_Modified.*\.mutga"
-                     unt_ga_regex = sub_name + "_Untreated.*\.mutga"
-                     txt_ga_regex =   "^[^.]*" + sub_name + ".*" + "profile\.txtga"
+                     mod_ga_regex = sub_name + "_Modified.*.mutga"
+                     unt_ga_regex = sub_name + "_Untreated.*.mutga"
+                     txt_ga_regex =   "^[^.]*" + sub_name + ".*" + "profile.txtga"
                      for f in files:
                         #if f.find(".mutga") != -1:
                         if re.findall(mod_ga_regex, f) != []: