SAM Build is failing

[deepakagra]

(base) C:\Users\dsingha1\git_views\amazon-forecast-samples\ml_ops\visualization_blog>sam build && sam deploy --guided
Building function 'S3Lambda'
Running PythonPipBuilder:ResolveDependencies
Running PythonPipBuilder:CopySource
Building function 'CreateDataset'
Running PythonPipBuilder:ResolveDependencies
Running PythonPipBuilder:CopySource
Building function 'CreateDatasetGroup'
Running PythonPipBuilder:ResolveDependencies
Running PythonPipBuilder:CopySource
Building function 'CreateDatasetImportJob'
Running PythonPipBuilder:ResolveDependencies
Running PythonPipBuilder:CopySource
Building function 'CreatePredictor'
Running PythonPipBuilder:ResolveDependencies
Running PythonPipBuilder:CopySource
Building function 'CreateForecast'
Running PythonPipBuilder:ResolveDependencies
Running PythonPipBuilder:CopySource
Building function 'UpdateResources'
Running PythonPipBuilder:ResolveDependencies

Build Failed
Error: PythonPipBuilder:ResolveDependencies - list index out of range

(base) C:\Users\dsingha1\git_views\amazon-forecast-samples\ml_ops>python
Python 3.7.6 (default, Jan 8 2020, 20:23:39) [MSC v.1916 64 bit (AMD64)] :: Anaconda, Inc. on win32

(base) C:\Users\dsingha1\git_views\amazon-forecast-samples\ml_ops>sam --version
SAM CLI, version 1.1.0