Fix Graphml / consolidated map import

[Brian-Fairbanks]

I thoght this was related to a previously known issue with OSMNX where nodes were saved with '-' in the name when consolidated. Seems this isnt the case.

gboeing/osmnx#647

File "c:\Users\bfairbanks\projects\panda_testing\roads.py", line 192, in addNearestNodeToGDF
gdf["nearest node"] = np.vectorize(getPoint)(gdf.geometry, pbar)
File "C:\Users\bfairbanks\AppData\Local\Programs\Python\Python39\lib\site-packages\numpy\lib\function_base.py", line 2163, in call
return self._vectorize_call(func=func, args=vargs)
File "C:\Users\bfairbanks\AppData\Local\Programs\Python\Python39\lib\site-packages\numpy\lib\function_base.py", line 2249, in _vectorize_call
res = asanyarray(outputs, dtype=otypes[0])
OverflowError: Python int too large to convert to C long