TST: Clean output from tests by removing warnings (#813)

Co-authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>

geopandas/tests/test_geom_methods.py

@@ -64,7 +64,6 @@ class TestGeomMethods:
         self.g5 = GeoSeries([self.l1, self.l2])
         self.g6 = GeoSeries([self.p0, self.t3])
         self.empty = GeoSeries([])
-        self.empty.crs = {'init': 'epsg:4326', 'no_defs': True}
         self.empty_poly = Polygon()
 
         # Crossed lines

geopandas/tests/test_plotting.py

@@ -400,8 +400,10 @@ class TestPySALPlotting:
         cls.df['NEGATIVES'] = np.linspace(-10, 10, len(cls.df.index))
 
     def test_legend(self):
-        ax = self.df.plot(column='CRIME', scheme='QUANTILES', k=3,
-                          cmap='OrRd', legend=True)
+        with warnings.catch_warnings(record=True) as _:  # don't print warning
+            # warning coming from pysal / scipy.stats
+            ax = self.df.plot(column='CRIME', scheme='QUANTILES', k=3,
+                              cmap='OrRd', legend=True)
         labels = [t.get_text() for t in ax.get_legend().get_texts()]
         expected = [u'0.18 - 26.07', u'26.07 - 41.97', u'41.97 - 68.89']
         assert labels == expected

geopandas/tests/test_types.py

@@ -1,5 +1,7 @@
 from __future__ import absolute_import
 
+import warnings
+
 from pandas import Series, DataFrame
 from shapely.geometry import Point
 
@@ -42,7 +44,10 @@ class TestSeries:
         assert type(self.pts.take(list(range(0, self.N, 2)))) is GeoSeries
 
     def test_select(self):
-        assert type(self.pts.select(lambda x: x % 2 == 0)) is GeoSeries
+        with warnings.catch_warnings(record=True) as _:
+            # depending on pandas version this raises FutureWarning ->
+            # suppress it
+            assert type(self.pts.select(lambda x: x % 2 == 0)) is GeoSeries
 
     def test_groupby(self):
         for f, s in self.pts.groupby(lambda x: x % 2):