Black formatting fixes.

Author: Matthew Hall

pandas_datareader/tests/av/test_av_time_series.py

@@ -204,7 +204,7 @@ def test_av_forex_daily(self):
             retry_count=6,
             pause=20.5,
         )
-        assert df.columns.equals(self.col_index[:4]) # No volume col for forex
+        assert df.columns.equals(self.col_index[:4])  # No volume col for forex
         assert len(df) == 718
         assert df.loc["2015-02-09"]["close"] == 118.6390
         assert df.loc["2017-05-24"]["high"] == 112.1290

pandas_datareader/yahoo/daily.py

@@ -199,7 +199,7 @@ def _read_one_data(self, url, params):
                 def split_ratio(row):
                     if float(row["Numerator"]) > 0:
                         if ":" in row["Splitratio"]:
-                            n, m = row["Splitratio"].split(':')
+                            n, m = row["Splitratio"].split(":")
                             return float(m) / float(n)
                         else:
                             return eval(row["Splitratio"])