diff --git a/server/lib/python/cartodb_services/cartodb_services/mapbox/geocoder.py b/server/lib/python/cartodb_services/cartodb_services/mapbox/geocoder.py
index ceba105..8d7cacb 100644
--- a/server/lib/python/cartodb_services/cartodb_services/mapbox/geocoder.py
+++ b/server/lib/python/cartodb_services/cartodb_services/mapbox/geocoder.py
@@ -80,6 +80,8 @@ class MapboxGeocoder(Traceable):
                 return self._parse_geocoder_response(response.text)
             elif response.status_code == requests.codes.bad_request:
                 return []
+            elif response.status_code == requests.codes.unprocessable_entity:
+                return []
             else:
                 raise ServiceException(response.status_code, response)
         except requests.Timeout as te:
diff --git a/server/lib/python/cartodb_services/cartodb_services/mapbox/isolines.py b/server/lib/python/cartodb_services/cartodb_services/mapbox/isolines.py
index 10c4209..e7f06c1 100644
--- a/server/lib/python/cartodb_services/cartodb_services/mapbox/isolines.py
+++ b/server/lib/python/cartodb_services/cartodb_services/mapbox/isolines.py
@@ -49,6 +49,8 @@ class MapboxIsolines():
         response = self._matrix_client.matrix([origin] + targets,
                                               profile)
         json_response = json.loads(response)
+        if not json_response:
+            return []
 
         costs = [None] * number_of_angles
 
@@ -125,6 +127,9 @@ class MapboxIsolines():
                                 unit_factor=unit_factor,
                                 number_of_angles=number_of_angles)
 
+            if not costs:
+                continue
+
             errors = [(cost - isorange) / float(isorange) for cost in costs]
             max_abs_error = max([abs(e) for e in errors])
             if max_abs_error <= tolerance:
diff --git a/server/lib/python/cartodb_services/cartodb_services/mapbox/matrix_client.py b/server/lib/python/cartodb_services/cartodb_services/mapbox/matrix_client.py
index dfe0bde..8d547b6 100644
--- a/server/lib/python/cartodb_services/cartodb_services/mapbox/matrix_client.py
+++ b/server/lib/python/cartodb_services/cartodb_services/mapbox/matrix_client.py
@@ -72,6 +72,8 @@ class MapboxMatrixClient(Traceable):
                 return response.text
             elif response.status_code == requests.codes.bad_request:
                 return '{}'
+            elif response.status_code == requests.codes.unprocessable_entity:
+                return '{}'
             else:
                 raise ServiceException(response.status_code, response)
         except requests.Timeout as te:
diff --git a/server/lib/python/cartodb_services/cartodb_services/mapbox/routing.py b/server/lib/python/cartodb_services/cartodb_services/mapbox/routing.py
index e0827ca..3f30268 100644
--- a/server/lib/python/cartodb_services/cartodb_services/mapbox/routing.py
+++ b/server/lib/python/cartodb_services/cartodb_services/mapbox/routing.py
@@ -91,6 +91,8 @@ class MapboxRouting(Traceable):
                 return self._parse_routing_response(response.text)
             elif response.status_code == requests.codes.bad_request:
                 return MapboxRoutingResponse(None, None, None)
+            elif response.status_code == requests.codes.unprocessable_entity:
+                return MapboxRoutingResponse(None, None, None)
             else:
                 raise ServiceException(response.status_code, response)
         except requests.Timeout as te:
diff --git a/server/lib/python/cartodb_services/cartodb_services/tools/coordinates.py b/server/lib/python/cartodb_services/cartodb_services/tools/coordinates.py
index 935dba0..b02e801 100644
--- a/server/lib/python/cartodb_services/cartodb_services/tools/coordinates.py
+++ b/server/lib/python/cartodb_services/cartodb_services/tools/coordinates.py
@@ -45,6 +45,8 @@ def marshall_coordinates(coordinates):
 
 def coordinates_to_polygon(coordinates):
     """Convert a Coordinate array coordinates to a PostGIS polygon"""
+    if not coordinates:
+        return None
     coordinates.append(coordinates[0])  # Close the ring
     result_coordinates = []
     for coordinate in coordinates:
diff --git a/server/lib/python/cartodb_services/cartodb_services/tools/polyline.py b/server/lib/python/cartodb_services/cartodb_services/tools/polyline.py
index eaca5f2..14bba19 100644
--- a/server/lib/python/cartodb_services/cartodb_services/tools/polyline.py
+++ b/server/lib/python/cartodb_services/cartodb_services/tools/polyline.py
@@ -51,9 +51,7 @@ def polyline_to_linestring(polyline):
     """Convert a Mapzen polyline shape to a PostGIS linestring"""
     coordinates = []
     for point in polyline:
-        # Divide by 10 because mapzen uses one more decimal than the
-        # google standard (https://mapzen.com/documentation/turn-by-turn/decoding/)
-        coordinates.append("%s %s" % (point[1]/10, point[0]/10))
+        coordinates.append("%s %s" % (point[1], point[0]))
     wkt_coordinates = ','.join(coordinates)
 
     try:
diff --git a/server/lib/python/cartodb_services/setup.py b/server/lib/python/cartodb_services/setup.py
index d38b15b..52144b9 100644
--- a/server/lib/python/cartodb_services/setup.py
+++ b/server/lib/python/cartodb_services/setup.py
@@ -10,7 +10,7 @@ from setuptools import setup, find_packages
 setup(
     name='cartodb_services',
 
-    version='0.16.4',
+    version='0.16.5',
 
     description='CartoDB Services API Python Library',