TypeError: 'float' object is not subscriptable

I am buliding a Linear Regression model pipeline. While serializing the pipeline I am getting the following error.
`Traceback (most recent call last):
File "train_real_estate_model.py", line 102, in
init = True
File "/Users/atharva.muley/opt/miniconda3/envs/ds-stg/lib/python3.7/site-packages/mleap/sklearn/pipeline.py", line 29, in serialize_to_bundle
serializer.serialize_to_bundle(self, path, model_name, init)
File "/Users/atharva.muley/opt/miniconda3/envs/ds-stg/lib/python3.7/site-packages/mleap/sklearn/pipeline.py", line 107, in serialize_to_bundle
step_i.serialize_to_bundle(bundle_dir, step_i.name)
File "/Users/atharva.muley/opt/miniconda3/envs/ds-stg/lib/python3.7/site-packages/mleap/sklearn/base.py", line 27, in serialize_to_bundle
return serializer.serialize_to_bundle(self, path, model_name)
File "/Users/atharva.muley/opt/miniconda3/envs/ds-stg/lib/python3.7/site-packages/mleap/sklearn/base.py", line 64, in serialize_to_bundle
attributes.append(('intercept', transformer.intercept_.tolist()[0]))
TypeError: 'float' object is not subscriptable`

Does someone know how to fix this?
Thank you!