Fix double compression issue when enable_compression() is called on p… #1631

Job	Run time
Generate llhttp sources	17s
Linter	1m 13s
Benchmark	6m 18s
Test (3.9, macos, false)	2m 54s
Test (3.9, ubuntu, false)	4m 31s
Test (3.9, windows, false)	4m 46s
Test (3.9, Y, ubuntu, false)	5m 30s
Test (3.10, ubuntu, false)	4m 22s
Test (3.11, windows, false)	4m 47s
Test (3.11, macos, false)	3m 5s
Test (3.10, macos, false)	3m 8s
Test (3.10, windows, false)	4m 30s
Test (3.10, Y, ubuntu, false)	5m 18s
Test (3.11, Y, ubuntu, false)	5m 10s
Test (3.12, windows, false)	4m 41s
Test (3.11, ubuntu, false)	4m 11s
Test (3.12, ubuntu, false)	4m 28s
Test (3.12, macos, false)	3m 0s
Test (3.12, Y, ubuntu, false)	5m 22s
Test (3.13, ubuntu, false)	4m 31s
Test (3.13, windows, false)	4m 38s
Test (3.13, macos, false)	2m 44s
Test (3.13, Y, ubuntu, false)	5m 29s
Test (pypy-3.9, Y, ubuntu, false)	8m 10s
check	4s
Pre-Deploy	0s
Tarball	0s
Build wheels on ${{ matrix.os }} ${{ matrix.qemu }} ${{ matrix.musl }}	0s
Deploy	0s
	1h 43m 7s

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