This pull request introduces 4 alerts and fixes 7 when merging bc4dd09b5fea8a26f3a6462de929167c6113f3b0 into 518895df2a4284fb5f28f33544896956d14c6236 - view on LGTM.com
new alerts:
4 for Unused import
fixed alerts:
3 for Wrong number of arguments in a class instantiation
1 for Testing equality to None
1 for Unused import
1 for Missing call to `__init__` during object initialization
Issue #9 and #10 Add calculators