Revert "Merge pull request #1526 from AlexCatarino/python3"

This reverts commit 2e523992d0, reversing changes made to fa48fc23ea.
2018-02-14 16:03:12 +01:00
parent 7246b8b6b6
commit a39e6a8e28
75 changed files with 245 additions and 241 deletions
@@ -69,7 +69,7 @@ class BasicTemplateOptionsHistoryAlgorithm(QCAlgorithm):
                    contract.ImpliedVolatility))

    def OnSecuritiesChanged(self, changes):
-        if changes == None: return
+        if changes == SecurityChanges.None: return
        for change in changes.AddedSecurities:
            history = self.History(change.Symbol, 10, Resolution.Hour).sort_index(level='time', ascending=False)[:3]