Resolving some issues with import dependencies

eland/__init__.py

@@ -1,17 +1,19 @@
+from __future__ import absolute_import
 import os
 
 # Set modin to pandas to avoid starting ray or other
 os.environ["MODIN_ENGINE"] = 'python'
 os.environ["MODIN_BACKEND"] = 'pandas'
 
-from .client import *
-from .index import *
-from .mappings import *
-from .query import *
-from .operations import *
-from .query_compiler import *
-from .plotting import *
-from .ndframe import *
-from .series import *
-from .dataframe import *
-from .utils import *
+from eland.client import *
+from eland.index import *
+from eland.mappings import *
+from eland.filter import *
+from eland.query import *
+from eland.operations import *
+from eland.query_compiler import *
+from eland.plotting import *
+from eland.ndframe import *
+from eland.series import *
+from eland.dataframe import *
+from eland.utils import *

eland/dataframe.py

@@ -6,7 +6,7 @@ import numpy as np
 import pandas as pd
 import pandas.compat as compat
 import six
-from pandas.compat import StringIO
+from io import StringIO
 from pandas.core.common import apply_if_callable, is_bool_indexer
 from pandas.core.dtypes.common import (
     is_list_like
@@ -19,7 +19,7 @@ from pandas.io.formats.printing import pprint_thing
 import eland.plotting as gfx
 from eland import NDFrame
 from eland import Series
-from eland.operators import BooleanFilter, ScriptFilter
+from eland.filter import BooleanFilter, ScriptFilter
 
 
 class DataFrame(NDFrame):

eland/operators/__init__.py

@@ -1,3 +0,0 @@
-# -*- coding: UTF-8 -*-
-
-from eland.operators.filter import *

eland/plotting.py

@@ -3,8 +3,6 @@ import numpy as np
 import pandas.core.common as com
 from pandas.core.dtypes.generic import (
     ABCIndexClass)
-from pandas.plotting._core import (
-    _raise_if_no_mpl, _converter, grouped_hist, _subplots, _flatten, _set_ticks_props)
 
 
 def ed_hist_frame(ed_df, column=None, by=None, grid=True, xlabelsize=None,

eland/query.py

@@ -1,8 +1,7 @@
 import warnings
 from copy import deepcopy
 
-from eland.operators import BooleanFilter, NotNull, IsNull, IsIn
-
+from eland.filter import BooleanFilter, NotNull, IsNull, IsIn
 
 class Query:
     """

eland/series.py

@@ -20,7 +20,7 @@ import warnings
 import pandas as pd
 
 from eland import NDFrame
-from eland.operators import NotFilter, Equal, Greater, Less, GreaterEqual, LessEqual, ScriptFilter
+from eland.filter import NotFilter, Equal, Greater, Less, GreaterEqual, LessEqual, ScriptFilter
 
 
 class Series(NDFrame):