diff --git a/astroplan/observer.py b/astroplan/observer.py
index 6bb5a634..03f148dc 100644
--- a/astroplan/observer.py
+++ b/astroplan/observer.py
@@ -290,7 +290,7 @@ def _key(self):
         >>> keck._key()
         ('Keck', None, None, None, <Longitude -155.47833333 deg>,
             <Latitude 19.82833333 deg>, <Quantity 4160. m>,
-            <DstTzInfo 'US/Hawaii' LMT-1 day, 13:29:00 STD>)        
+            <DstTzInfo 'US/Hawaii' LMT-1 day, 13:29:00 STD>)
         """
 
         return (self.name,
@@ -311,7 +311,7 @@ def __hash__(self):
 
         >>> from astroplan import Observer
         >>> keck = Observer.at_site("Keck", timezone="US/Hawaii")
-        >>> hash(keck)                                    
+        >>> hash(keck)
         -3872382927731250571
         """
 
diff --git a/astroplan/tests/test_observer.py b/astroplan/tests/test_observer.py
index dfb0e456..c52f2f2f 100644
--- a/astroplan/tests/test_observer.py
+++ b/astroplan/tests/test_observer.py
@@ -1359,6 +1359,7 @@ def test_observer_lon_lat_el():
     for attr in ['longitude', 'latitude', 'elevation']:
         assert hasattr(obs, attr)
 
+
 def test_hash_observer():
     """Test that Observer objects are hashable."""
     obs1 = Observer.at_site('Subaru')
@@ -1370,7 +1371,8 @@ def test_hash_observer():
 
     obs4 = Observer.at_site('Keck', timezone='US/Hawaii')
     assert hash(obs3) == hash(obs4)
-    
+
+
 def test_eq_observer():
     """Test that Observer objects are comparable."""
     obs1 = Observer.at_site('Subaru')
@@ -1384,4 +1386,4 @@ def test_eq_observer():
     assert obs1 != obs4
 
     obs5 = Observer.at_site('Subaru', timezone='US/Hawaii')
-    assert obs4 == obs5
\ No newline at end of file
+    assert obs4 == obs5