Fix DeprecationWarning: invalid escape sequence

Author: hugovk

twitter/cmdline.py

@@ -578,7 +578,7 @@ def __call__(self, twitter, options):
                      else str(input("message: ")))
         statusTxt = statusTxt.replace('\\n', '\n')
         replies = []
-        ptr = re.compile("@[\w_]+")
+        ptr = re.compile(r"@[\w_]+")
         while statusTxt:
             s = ptr.match(statusTxt)
             if s and s.start() == 0:

twitter/util.py

@@ -159,8 +159,8 @@ def expand_line(line, sites):
 
 def parse_host_list(list_of_hosts):
     """Parse the comma separated list of hosts."""
-    p = set(
-        m.group(1) for m in re.finditer("\s*([^,\s]+)\s*,?\s*", list_of_hosts))
+    p = {
+        m.group(1) for m in re.finditer(r"\s*([^,\s]+)\s*,?\s*", list_of_hosts)}
     return p