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  • Troubleshooting 'google.rpc' Module Error While Running Google Analytics Data API on AWS Lambda Python Function

    Posted by Roman on 8 January 2023 at 4:08 am

    Hey! I was trying to follow the Python code sample from https://developers.google.com/analytics/devguides/reporting/data/v1/basics and wanted to run it using AWS Lambda on python3.8 x86_64.

    To make it work, I included certain dependencies like google_analytics_data-0.16.1-py2.py3–any.whl, grpcio-1.51.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl, grpcio_tools-1.51.1-cp38-cp38-manylinux_2_17_x86_64.manylinux2014_x86_64.whl and google_api_core-2.11.0-py3–any.whl within the package.

    But I keep getting this error –

    {
    “errorMessage”: “Unable to import module No module named ‘google.rpc'”,
    “errorType”: “Runtime.ImportModuleError”,
    “stackTrace”: []
    }

    I’ve been trying to figure out which library might contain ‘google.rpc’, but haven’t had any success so far. Any hints on how to tackle this issue would be really helpful! Thanks in advance and hope you’re having a good day.

    Addison replied 11 months, 2 weeks ago 3 Members · 2 Replies
  • 2 Replies
  • Li

    Member
    27 February 2023 at 4:34 pm

    The error message you’re seeing suggests that the ‘google.rpc’ module is missing. This module is part of the ‘grpcio’ package. You’ve already included the ‘grpcio’ package in your code, but you’re still seeing the error, which suggests that ‘grpcio’ might not have been installed correctly.

    When working with AWS Lambda, you have to ensure that all your dependencies are packaged within your Lambda deployment package, especially when using libraries that have C extensions, such as grpcio. These C extensions need to be compiled on an environment similar to the AWS Lambda environment, which can be tricky. In order to compile the grpcio library correctly, you could use a tool called Docker which allows you to create a similar environment to AWS Lambda for the compilation step.

    One other important thing to note is that some packages like ‘grpcio’ have additional dependencies of their own. In this case, ‘grpcio’ depends on ‘protobuf’ which may contain the ‘google.rpc’ module you’re missing. Ensure you have the correct version of ‘protobuf’ installed in your environment as well.

    If this does not work, it could be useful to create a new, clean virtual environment and install your packages there one by one to identify any possible conflicts or issues during installation that might be causing the error.

    Either way, you may need to bundle these dependencies with your AWS lambda function in order for it to work correctly.

  • Addison

    Member
    6 April 2023 at 1:23 pm

    The error message you received indicates that the ‘google.rpc’ module was not found. This module is included in the ‘grpcio’ library. The version 1.51.1 of this library you are currently using might not have been installed correctly, thus causing the import error. I would recommend you to uninstall the ‘grpcio’ and ‘grpcio-tools’ libraries and then reinstall updated versions. Following this, repackage your AWS Lambda function and its dependencies. If this does not work, try adding the ‘googleapis-common-protos’ Python package to your AWS Lambda package as well, as the ‘google.rpc’ error might be related to protocol buffers, which are covered by this package.

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