Merge pull request #78 from geaaru/fix-utf8-issue

Handle unicode decode error as not text file - #77

lib/entropy/tools.py

@@ -1927,7 +1927,7 @@ def istextfile(filename, blocksize = 512):
     try:
         with open(filename, "r") as f:
             r = istext(f.read(blocksize))
-    except (OSError, IOError):
+    except (OSError, IOError, UnicodeDecodeError):
         return False
     return r