diff --git a/geopandas/geodataframe.py b/geopandas/geodataframe.py
index c36487a..8a511cd 100644
--- a/geopandas/geodataframe.py
+++ b/geopandas/geodataframe.py
@@ -1,14 +1,14 @@
 from collections import defaultdict, OrderedDict
-import json, os
+import json
+import os
 
 import fiona
+import numpy as np
 from pandas import DataFrame
 from shapely.geometry import mapping, shape
 
 from geopandas import GeoSeries
-from plotting import plot_dataframe
-
-import numpy as np
+from geopandas.plotting import plot_dataframe
 
 
 class GeoDataFrame(DataFrame):
diff --git a/geopandas/geoseries.py b/geopandas/geoseries.py
index 819278e..9085add 100644
--- a/geopandas/geoseries.py
+++ b/geopandas/geoseries.py
@@ -1,27 +1,24 @@
-from warnings import warn
 from functools import partial
+from warnings import warn
 
+import fiona
+from fiona.crs import from_epsg
 import numpy as np
 from pandas import Series, DataFrame
-
 import pyproj
 from shapely.geometry import shape, Polygon, Point
 from shapely.geometry.collection import GeometryCollection
 from shapely.geometry.base import BaseGeometry
 from shapely.ops import cascaded_union, unary_union, transform
 import shapely.affinity as affinity
-import fiona
-from fiona.crs import from_epsg
 
-from plotting import plot_series
+from geopandas.plotting import plot_series
 
 EMPTY_COLLECTION = GeometryCollection()
 EMPTY_POLYGON = Polygon()
 EMPTY_POINT = Point()
 
 
-
-
 def _is_empty(x):
     try:
         return x.is_empty