Throw exception instead of assert

sebastinas · sebastinas · commit 5540c1d4b143 · 2015-02-01T22:51:01.000+01:00
Signed-off-by: Sebastian Ramacher &lt;sebastian+dev@ramacher.at&gt;
diff --git a/bpython/repl.py b/bpython/repl.py
@@ -245,12 +245,14 @@ def update(self, cursor_offset, current_line, matches, completer):
         """Called to reset the match index and update the word being replaced
 
         Should only be called if there's a target to update - otherwise, call clear"""
+
+        if matches is None:
+            raise ValueError("Matches may not be None.")
+
         self.orig_cursor_offset = cursor_offset
         self.orig_line = current_line
-        assert matches is not None
         self.matches = matches
         self.completer = completer
-        #assert self.completer.locate(self.orig_cursor_offset, self.orig_line) is not None, (self.completer.locate, self.orig_cursor_offset, self.orig_line)
         self.index = -1
         self.start, self.end, self.current_word = self.completer.locate(self.orig_cursor_offset, self.orig_line)
 
