Fix FTP storage restore failing with "fileno" UnsupportedOperation error #36

Job	Run time
Lint Documentation	39s
Lint Python	17s
Functional Tests (ubuntu-latest)	20s
Functional Tests (windows-latest)	52s
Build Python	15s
Python 3.10 (ubuntu-latest)	39s
Python 3.12 (ubuntu-latest)	35s
Python 3.13 (ubuntu-latest)	29s
Python 3.10 (windows-latest)	3m 50s
Python 3.11 (windows-latest)	2m 48s
Python 3.11 (ubuntu-latest)	31s
Python 3.9 (ubuntu-latest)	22s
Python 3.9 (windows-latest)	1m 35s
Python 3.13 (windows-latest)	1m 35s
Python 3.12 (windows-latest)	2m 46s
Publish Documentation	0s
Check Python Coverage	17s
Publish GitHub Release	-1s
Publish PyPi Package	-1s
	17m 48s

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