correct FRED test (GDP changed ...)
remove unused import in test_yahoo
Merge pull request #3812 from gliptak/patch-1

correct FRED test (GDP changed ...)
Merge pull request #3813 from gliptak/patch-2

remove unused import in test_yahoo
DOC: filter the correct warning for unique(key, column)

DOC/CLN: clean up indentation and dispatch on numpy version
DOC/BUG: fix overwriting of 'df' variable in doc build
DOC: give deprecation warning about future timeseries broadcasting behavior

DOC/CLN: cleanup