diff --git a/ipinfo/details.py b/ipinfo/details.py
index fc36bf6..3712d71 100644
--- a/ipinfo/details.py
+++ b/ipinfo/details.py
@@ -14,7 +14,7 @@ def __getattr__(self, attr):
         if attr in self.details:
             return self.details[attr]
         else:
-            raise AttributeError('{attr} is not a valid attribute of Details'.format(attr))
+            raise AttributeError('{} is not a valid attribute of Details'.format(attr))
 
     @property
     def all(self):
diff --git a/ipinfo/handler.py b/ipinfo/handler.py
index edc7a0e..0473f58 100644
--- a/ipinfo/handler.py
+++ b/ipinfo/handler.py
@@ -46,13 +46,7 @@ def getDetails(self, ip_address=None):
         raw_details = self._requestDetails(ip_address)
         raw_details['country_name'] = self.countries.get(raw_details.get('country'))
         raw_details['ip_address'] = ipaddress.ip_address(raw_details.get('ip'))
-
-        lat, lon = None, None
-        coords = tuple(raw_details.get('loc', '').split(','))
-        if coords:
-            lat, lon = coords[0], coords[1]
-        raw_details['latitude'], raw_details['longitude'] = lat, lon
-
+        raw_details['latitude'], raw_details['longitude'] = self._read_coords(raw_details.get('loc'))
         return Details(raw_details)
 
     def _requestDetails(self, ip_address=None):
@@ -75,13 +69,20 @@ def _get_headers(self):
         headers = {
             'user-agent': 'IPinfoClient/Python{version}/1.0'.format(version=sys.version_info[0]),
             'accept': 'application/json'
-            }
+        }
 
         if self.access_token:
             headers['authorization'] = 'Bearer {}'.format(self.access_token)
 
         return headers
 
+    def _read_coords(self, location):
+        lat, lon = None, None
+        coords = tuple(location.split(',')) if location else ''
+        if len(coords) == 2 and coords[0] and coords[1]:
+            lat, lon = coords[0], coords[1]
+        return lat, lon
+
     def _read_country_names(self, countries_file=None):
         """Read list of countries from specified country file or default file."""
         if not countries_file:
diff --git a/setup.py b/setup.py
index a434229..83be578 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@
 """
 
 setup(name='ipinfo',
-      version='1.1.0',
+      version='1.1.1',
       description='Official Python library for IPInfo',
       long_description=long_description,
       url='https://github.com/ipinfo/python',