fix parsing of times in tracking notes

src/gitlabtime/fetch.py

@@ -3,8 +3,13 @@ from gitlab import Gitlab
 
 
 def parse_action(action):
-    op, time_str = action.split()
+    op, time_str = action.split(None, 1)
     sign = dict(added=1, subtracted=-1)[op]
+    value = sum(parse_time(piece) for piece in time_str.split())
+    return sign * value
+
+
+def parse_time(time_str):
     ulen = 2 if time_str.endswith('mo') else 1
     value_str, unit_str = time_str[:-ulen], time_str[-ulen:]
     unit = dict(
@@ -15,7 +20,7 @@ def parse_action(action):
         m=60,
         s=1,
     )[unit_str]
-    return sign * float(value_str) * unit
+    return float(value_str) * unit
 
 
 def fetch(url, token):