fix #496

Author: DonJayamanne

pythonFiles/completion.py

@@ -410,7 +410,7 @@ def watch(self):
     jediPreview = False
     cachePrefix = 'v'
     if len(sys.argv) > 0 and sys.argv[1] == 'preview':
-        jediPath = os.path.join(os.path.dirname(__file__), 'preview', 'jedi')
+        jediPath = os.path.join(os.path.dirname(__file__), 'preview')
         jediPreview = True
     elif len(sys.argv) > 0 and sys.argv[1] == 'custom':
         jediPath = sys.argv[2]

pythonFiles/preview/jedi/api/__init__.py

@@ -105,8 +105,12 @@ def __init__(self, source=None, line=None, column=None, path=None,
 
         if source is None:
             # TODO add a better warning than the traceback!
-            with open(path) as f:
-                source = f.read()
+            try:
+                with open(path) as f:
+                    source = f.read()
+            except UnicodeDecodeError:
+                with open(path, encoding=encoding) as f:
+                    source = f.read()
 
         self._source = common.source_to_unicode(source, encoding)
         self._code_lines = common.splitlines(self._source)