diff --git a/pandas_datareader/data.py b/pandas_datareader/data.py
index b2b41af3..d9fd8db5 100644
--- a/pandas_datareader/data.py
+++ b/pandas_datareader/data.py
@@ -290,9 +290,9 @@ def DataReader(name, data_source=None, start=None, end=None,
 
     elif data_source == "iex":
         return IEXDailyReader(symbols=name, start=start, end=end,
-                                chunksize=25,
-                                retry_count=retry_count, pause=pause,
-                                session=session).read()
+                              chunksize=25,
+                              retry_count=retry_count, pause=pause,
+                              session=session).read()
 
     elif data_source == "iex-tops":
         return IEXTops(symbols=name, start=start, end=end,
diff --git a/pandas_datareader/iex/daily.py b/pandas_datareader/iex/daily.py
index 5b79b40e..46fda161 100644
--- a/pandas_datareader/iex/daily.py
+++ b/pandas_datareader/iex/daily.py
@@ -43,8 +43,10 @@ class IEXDailyReader(_DailyBaseReader):
 
     def __init__(self, symbols=None, start=None, end=None, retry_count=3,
                  pause=0.35, session=None, chunksize=25):
-        super(IEXDailyReader, self).__init__(symbols=symbols, start=start, end=end,
-                                             retry_count=retry_count, pause=pause, session=session, chunksize=chunksize)
+        super(IEXDailyReader, self).__init__(symbols=symbols, start=start,
+                                             end=end, retry_count=retry_count,
+                                             pause=pause, session=session,
+                                             chunksize=chunksize)
 
     @property
     def url(self):
@@ -83,7 +85,8 @@ def _range_string_from_date(self):
     def read(self):
         """read data"""
         try:
-            return self._read_one_data(self.url, self._get_params(self.symbols))
+            return self._read_one_data(self.url,
+                                       self._get_params(self.symbols))
         finally:
             self.close()
 
@@ -103,8 +106,8 @@ def _read_lines(self, out):
             df = df[values]
             sstart = self.start.strftime('%Y-%m-%d')
             send = self.end.strftime('%Y-%m-%d')
-            df= df.loc[sstart:send]
-            result.update({symbol:df})
+            df = df.loc[sstart:send]
+            result.update({symbol: df})
         if len(result) > 1:
             return result
-        return result[self.symbols]
\ No newline at end of file
+        return result[self.symbols]
diff --git a/pandas_datareader/tests/test_iex_daily.py b/pandas_datareader/tests/test_iex_daily.py
index 13da23c7..f6220783 100644
--- a/pandas_datareader/tests/test_iex_daily.py
+++ b/pandas_datareader/tests/test_iex_daily.py
@@ -7,6 +7,10 @@
 
 class TestIEXDaily(object):
 
+    @classmethod
+    def setup_class(cls):
+        pytest.importorskip("lxml")
+
     @property
     def start(self):
         return datetime(2015, 2, 9)
@@ -27,7 +31,7 @@ def test_daily_invalid_date(self):
         start = datetime(2010, 1, 5)
         end = datetime(2017, 5, 24)
         with pytest.raises(Exception):
-            df = web.DataReader(["AAPL", "TSLA"], "iex", start, end)
+            web.DataReader(["AAPL", "TSLA"], "iex", start, end)
 
     def test_single_symbol(self):
         df = web.DataReader("AAPL", "iex", self.start, self.end)
@@ -72,4 +76,3 @@ def test_multiple_symbols_2(self):
         expected4 = t.loc["2017-05-24"]
         assert expected4["close"] == 310.22
         assert expected4["high"] == 311.0
-