Fix pyflakes issues, variable name

beets/dbcore/query.py

@@ -678,8 +678,8 @@ class DurationQuery(NumericQuery):
                 return float(s)
             except ValueError:
                 raise InvalidQueryArgumentTypeError(
-                        s,
-                        "a M:SS string or a float")
+                    s,
+                    "a M:SS string or a float")
 
 
 # Sorting.

beets/library.py

@@ -209,7 +209,7 @@ class DurationType(types.Float):
     def parse(self, string):
         try:
             # Try to format back hh:ss to seconds.
-            return beets.ui.raw_seconds_short(value)
+            return beets.ui.raw_seconds_short(string)
         except ValueError:
             # Fall back to a plain float..
             try:

beets/ui/__init__.py

@@ -426,7 +426,7 @@ def raw_seconds_short(string):
     if not match:
         raise ValueError('String not in M:SS format')
     minutes, seconds = map(int, match.groups())
-    return float(minutes*60 + seconds)
+    return float(minutes * 60 + seconds)
 
 
 # Colorization.