Merge pull request #4043 from seriousran/patch-1

Change `getPfmArray` to `get_pfm_array`

docs/apis.md

@@ -108,7 +108,7 @@ print('Retrieved images: %d', len(responses))
 for response in responses:
     if response.pixels_as_float:
         print("Type %d, size %d" % (response.image_type, len(response.image_data_float)))
-        airsim.write_pfm(os.path.normpath('/temp/py1.pfm'), airsim.getPfmArray(response))
+        airsim.write_pfm(os.path.normpath('/temp/py1.pfm'), airsim.get_pfm_array(response))
     else:
         print("Type %d, size %d" % (response.image_type, len(response.image_data_uint8)))
         airsim.write_file(os.path.normpath('/temp/py1.png'), response.image_data_uint8)