data entry edits

src/py/crankshaft/crankshaft/analysis_data_provider.py

@@ -77,6 +77,7 @@ class AnalysisDataProvider(object):
                   "target": variable,
                   "features": feature_columns}
         """
+
         columns = ', '.join(['array_agg("{col}") As "{col}"'.format(col=col)
                              for col in params['features']])
         query = '''

src/py/crankshaft/test/test_segmentation.py

@@ -63,7 +63,6 @@ class SegmentationTest(unittest.TestCase):
         self.assertTrue(assert_array_equal(result, expectation))
 
     def test_create_and_predict_segment(self):
-        from crankshaft.segmentation import Segmentation
         from numpy.testing import assert_array_equal
 
         n_samples = 1000