minor cleanups

core.py

 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 
-from math import ceil
-
 import numpy as np
 import pandas as pd
 
@@ -156,7 +154,9 @@ if __name__ == "__main__":
     datafname = "resources/data.csv"
     metafname = "resources/meta.csv"
 
-    data = readData(datafname, index_col="Date Time", nans=["-9999", "-9999.0"])
+    data = readData(datafname,
+                    index_col="Date Time",
+                    nans=["-9999", "-9999.0"])
     meta = prepareMeta(pd.read_csv(metafname), data)
 
     flagger = PositionalFlagger()

flagger/dmpflagger.py

@@ -46,6 +46,7 @@ class DmpFlagger(BaseFlagger):
 
         flags = self._reduceColumns(flags)
         flags.loc[flags[FlagFields.FLAG] < flag, FlagFields.FLAG] = flag
+
         for field, f in [(FlagFields.CAUSE, cause), (FlagFields.COMMENT, comment)]:
             flags.loc[:, field] = f
 
@@ -60,6 +61,3 @@ class DmpFlagger(BaseFlagger):
         if isinstance(flags.columns, pd.MultiIndex):
             flags.columns = flags.columns.get_level_values(ColumnLevels.FLAGS)
         return flags
-
-    # def _isFlag(self, flag):
-    #     assert Flags.isValid(flag)

test/flagger/test_dmpflagger.py

 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 
-import pandas as pd
-
 from ..common import initData, initMeta
-from core import runner, prepareMeta
+from core import runner
 from flagger.dmpflagger import DmpFlagger, FlagFields