Calling float on a single element Series is deprecated

[dirwin5]

Getting multiple FutureWarnings in swmmio/graphics/profiler.py. FutureWarning: Calling float on a single element Series is deprecated and will raise a TypeError in the future. Use float(ser.iloc[0]) instead. I'll try to fix and submit a PR.

Affected lines:
swmmio/graphics/profiler.py:35
swmmio/graphics/profiler.py:47
swmmio/graphics/profiler.py:57
swmmio/graphics/profiler.py:90
swmmio/graphics/profiler.py:94
swmmio/graphics/profiler.py:139
swmmio/graphics/profiler.py:140
swmmio/graphics/profiler.py:147
swmmio/graphics/profiler.py:148
swmmio/graphics/profiler.py:149
swmmio/graphics/profiler.py:277
swmmio/graphics/profiler.py:281
swmmio/graphics/profiler.py:301
swmmio/graphics/profiler.py:305

[bemcdonnell]

@dirwin5, thanks for noticing this. We’d love the PR if you have time. Was this a change in a recent release of pandas?

[dirwin5]

Hi @bemcdonnell, yes it's pandas related, I believe since Pandas 2.0. There's an issue on the pandas-dev repo related to it here pandas-dev/pandas#51101

I've drafted a PR, thanks.

[aerispaha]

Closed via #224