Python does not detect .pyc files

I am using Python 3.2 (both for building and executing), and here is my question.

I intend to ship my python application with the following setup:

There is a main script (say, Main.py), that is using a compiled module, say Module1.pyc). To be precise, the directory structure is:

.\Main.py
.\__pycache__\Module1.cpython-32.pyc

When I use the python interpreter to run the main script, it fails to find the module with the following error:

Traceback (most recent call last):
  File "Main.py", line 10, in <module>
    import Module1
ImportError: No module named Module1

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Note that I have added the current directory to PYTHONPATH environment variable, and is part of sys.path. Also, the inner __pycache__ directory is also added, and is visible in sys.path.

Not sure why Module1 is not found. Am guessing, it could be because of the different file name - Module1.cpython-32.pyc? But, then that is how the Python 3.2 interpreter generates it.

Have a look at PEP-3147. They describe how the python-lookup mechanism works.

So in your concrete case: Put the file Module1.pyc directly in the root folder.