updated per sdiehl's advice in the PR.

zipline/test/test_finance.py

@@ -340,8 +340,8 @@ class FinanceTestCase(TestCase):
         self.assertEqual(
             transaction_sim.txn_count,
             perf_tracker.txn_count,
-            "The perf tracker should handle the same number of transactions as\
-as the simulator emits."
+            "The perf tracker should handle the same number of transactions \
+            as the simulator emits."
         ) 
         
         self.assertEqual(

zipline/test/test_perf_tracking.py

@@ -37,8 +37,8 @@ class PerformanceTestCase(unittest.TestCase):
         
     def test_long_position(self):
         """
-            verify that the performance period calculates properly for a \
-single buy transaction
+            verify that the performance period calculates properly for a 
+            single buy transaction
         """
         #post some trades in the market
         trades = factory.create_trade_history(