Varbin/pep272-encryption

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### Type of issue

I want to...

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If you want to report a bug:

### 1. What software version do you use?

Output of `python --version`:

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Output of `pip show pip setuptools pep272-encryption`:

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### 2. What are you trying to do? What are you doing (e.g. share your code)?

### 3. What did you expect?

### 4. What happend instead (e.g. full traceback)?

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### 5. If possible: What are the minimal steps to reproduce?