pypxe/dhcp.py: avoid exception when invoking export_leases

pypxe / PyPXE

Pure Python PXE (DHCP-(Proxy)/TFTP/HTTP/NBD) Server

MIT License

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pypxe/dhcp.py: avoid exception when invoking export_leases #193

Closed tanty closed 2 years ago

tanty commented 2 years ago

Fixes the following crash:

Traceback (most recent call last):

[...]

File "/usr/lib/python3.10/site-packages/pypxe/dhcp.py", line 145, in export_leases json.dump(export_safe, leases_file) File "/usr/lib/python3.10/json/init.py", line 180, in dump fp.write(chunk) TypeError: a bytes-like object is required, not str