make sanity checks in str_to_bool()

ilstam · Sep 25, 2013 · a2280a4 · a2280a4
1 parent 84c10b9
commit a2280a4
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/ffmulticonverter/utils.py b/ffmulticonverter/utils.py
@@ -25,7 +25,9 @@
 
 def str_to_bool(string):
     """Convert a string to bool and return it."""
-    return string.lower() == 'true'
+    if string is not None:
+        return string.lower() == 'true'
+    return False
 
 def is_installed(program):
     """Return True if program appears in user's PATH var, else False."""