Jason

[bug Python3.9] "AttributeError: 'LazyChainMap' object has no attribute 'get'" when entering pdb++ breakpoint.

7

**Small description** Entering a breakpoint (`space breakpoint`) throws `AttributeError: 'LazyChainMap' object has no attribute 'get'`. **Expected result** Enter the debugger / pdb. **Actual result with screenshot** [error_LazyChainMap_has_no_attribute_get.txt](https://github.com/saulpw/visidata/files/8194679/error_LazyChainMap_has_no_attribute_get.txt) ``` Traceback (most...

Numpy is never imported