the statement 'a=b=c' returned 'b' only and ignored 'a' - fixes #45

jedi/parsing.py

@@ -1541,7 +1541,7 @@ class PyFuzzyParser(object):
                 elif tok.endswith('=') and tok not in ['>=', '<=', '==', '!=']:
                     # there has been an assignement -> change vars
                     if level == 0:
-                        set_vars = used_vars
+                        set_vars += used_vars
                         used_vars = []
                 elif tok in opening_brackets:
                     level += 1

test/regression.py

@@ -207,6 +207,7 @@ class TestRegression(Base):
             assert len(self.complete(s))
 
     def test_os_nowait(self):
+        """ github issue #45 """
         s = self.complete("import os; os.P_")
         assert 'P_NOWAIT' in [i.word for i in s]