Fix warning messages when loading typing_counter.py

2026-01-02 01:24:44             Plugins loaded: alias, buflist, charset, exec, fifo, fset, irc, logger, python, relay, script, spell, trigger, typing, xfer
2026-01-02 01:34:43             python: stdout/stderr (?): /home/blackbit/.weechat/python/autoload/typing_counter.py:118: SyntaxWarning: invalid escape sequence '\$'
2026-01-02 01:34:43             python: stdout/stderr (?):   regex_color=re.compile('\$\{([^\{\}]+)\}')
2026-01-02 01:34:43             python: stdout/stderr (?): /home/blackbit/.weechat/python/autoload/typing_counter.py:121: SyntaxWarning: invalid escape sequence '\{'
2026-01-02 01:34:43             python: stdout/stderr (?):   regex_optional_tags=re.compile('%\{[^\{\}]+\}')
2026-01-02 01:34:43             python scripts loaded: autosort, bitlbee_typing_notice, bufsave, postpone, prism, typing_counter

Author: blackbit42

python/typing_counter.py

@@ -115,10 +115,10 @@
 tc_options = {}
 
 # regexp to match ${color} tags
-regex_color=re.compile('\$\{([^\{\}]+)\}')
+regex_color=re.compile(r'\$\{([^\{\}]+)\}')
 
 # regexp to match ${optional string} tags
-regex_optional_tags=re.compile('%\{[^\{\}]+\}')
+regex_optional_tags=re.compile(r'%\{[^\{\}]+\}')
 
 def command_run_cb (data, signal, signal_data):
     if tc_options['warn_command'] == '':