[BUG] 'color' and 'c' in test_viz_giddy_mpl.test_dynamic_lisa_vectors

[slumnitz]

ERROR: test_viz_giddy_mpl.test_dynamic_lisa_vectors
1887----------------------------------------------------------------------
1888Traceback (most recent call last):
1889  File "/home/travis/build/pysal/splot/miniconda/envs/test-env/lib/python3.6/site-packages/nose/case.py", line 198, in runTest
1890    self.test(*self.arg)
1891  File "/home/travis/build/pysal/splot/splot/tests/test_viz_giddy_mpl.py", line 70, in test_dynamic_lisa_vectors
1892    fig3, _ = dynamic_lisa_vectors(rose, c='r')
1893  File "/home/travis/build/pysal/splot/splot/_viz_giddy_mpl.py", line 414, in dynamic_lisa_vectors
1894    lines = ax.plot(xs, ys, color=color, **kwargs)
1895  File "/home/travis/build/pysal/splot/miniconda/envs/test-env/lib/python3.6/site-packages/matplotlib/axes/_axes.py", line 1742, in plot
1896    kwargs = cbook.normalize_kwargs(kwargs, mlines.Line2D)
1897  File "/home/travis/build/pysal/splot/miniconda/envs/test-env/lib/python3.6/site-packages/matplotlib/cbook/deprecation.py", line 411, in wrapper
1898    return func(*inner_args, **inner_kwargs)
1899  File "/home/travis/build/pysal/splot/miniconda/envs/test-env/lib/python3.6/site-packages/matplotlib/cbook/deprecation.py", line 411, in wrapper
1900    return func(*inner_args, **inner_kwargs)
1901  File "/home/travis/build/pysal/splot/miniconda/envs/test-env/lib/python3.6/site-packages/matplotlib/cbook/deprecation.py", line 411, in wrapper
1902    return func(*inner_args, **inner_kwargs)
1903  File "/home/travis/build/pysal/splot/miniconda/envs/test-env/lib/python3.6/site-packages/matplotlib/cbook/__init__.py", line 1751, in normalize_kwargs
1904    raise TypeError(f"Got both {canonical_to_seen[canonical]!r} and "
1905TypeError: Got both 'color' and 'c', which are aliases of one another

make sure only one colour or c is passed on my giddy.dynamic_lisa_vectors

[slumnitz]

Solved with #119