Avoid an empty line when there are no possibilities to print.

1709f872 · Sander Mathijs van Veen · ffb9e906 · 1709f872
Commit 1709f872 authored Feb 27, 2012 by Sander Mathijs van Veen
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Showing with 2 additions and 1 deletion

src/parser.py src/parser.py +2 -1

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--- a/src/parser.py
+++ b/src/parser.py
@@ -219,7 +219,8 @@ class Parser(BisonParser):
        print pick_suggestion(self.last_possibilities)

    def display_possibilities(self):
-        print '\n'.join(map(str, self.last_possibilities))
+        if self.last_possibilities:
+            print '\n'.join(map(str, self.last_possibilities))

    def rewrite(self):
        suggestion = pick_suggestion(self.last_possibilities)