testing more code

Author: atkinson

.coveragerc

@@ -15,6 +15,9 @@ exclude_lines =
     # Don't complain if tests don't hit defensive assertion code:
     raise AssertionError
     raise NotImplementedError
+    raise AttributeError
+    raise KeyError
+    raise FileNotFoundError
 
     # Don't complain if non-runnable code isn't run:
     if 0:

margot/tests/test_data.py

@@ -44,6 +44,7 @@ class VXBasis(MargotDataFrame):
         vx_basis = Ratio(numerator=vixm.adjusted_close, denominator=vix3m.adjusted_close, label='vx_basis_ratio')
 
     vxbasis = VXBasis()
+    vxbasis.to_pandas()
 
     assert(
         vxbasis.vix3m.to_pandas().tail()[