Fix typing for load_state_dict_from_url()

[jbschlosser]

Stack from ghstack:

• -> Fix typing for load_state_dict_from_url() #76895

#74171 landed with an incorrect type for load_state_dict_from_url(). This PR fixes it. See the comment here: https://github.com/pytorch/pytorch/pull/74171/files/7f41d1ce0d0308258cfdd613477bb5e43068208d#r865982377

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💊 CI failures summary and remediations

As of commit fd1522a (more details on the Dr. CI page):

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• 1/1 failures introduced in this PR

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🕵️ 1 new failure recognized by patterns

The following CI failures do not appear to be due to upstream breakages

pull / pytorch-xla-linux-bionic-py3.7-clang8 / test (xla, 1, 1, linux.2xlarge) (1/1)

Step: "Test" (full log | diagnosis details | 🔁 rerun)

2022-05-05T15:45:43.4426139Z AssertionError: Found an invalid operator name: max_unpool2d_backward

2022-05-05T15:45:43.4422020Z   File "/var/lib/jenkins/workspace/torchgen/gen_backend_stubs.py", line 557, in <module>
2022-05-05T15:45:43.4422262Z     main()
2022-05-05T15:45:43.4422524Z   File "/var/lib/jenkins/workspace/torchgen/gen_backend_stubs.py", line 304, in main
2022-05-05T15:45:43.4422902Z     run(options.source_yaml, options.output_dir, options.dry_run, options.impl_path)
2022-05-05T15:45:43.4423292Z   File "/var/lib/jenkins/workspace/torchgen/gen_backend_stubs.py", line 498, in run
2022-05-05T15:45:43.4424284Z     source_yaml, grouped_native_functions, backend_indices
2022-05-05T15:45:43.4424653Z   File "/var/lib/jenkins/workspace/torchgen/gen_backend_stubs.py", line 143, in parse_backend_yaml
2022-05-05T15:45:43.4425097Z     use_device_guard=use_device_guard,
2022-05-05T15:45:43.4425476Z   File "/var/lib/jenkins/workspace/torchgen/gen_backend_stubs.py", line 118, in create_backend_index
2022-05-05T15:45:43.4425856Z     ), f"Found an invalid operator name: {op_name}"
2022-05-05T15:45:43.4426139Z AssertionError: Found an invalid operator name: max_unpool2d_backward
2022-05-05T15:45:43.4969654Z Failed to generate ATEN bindings: ['/var/lib/jenkins/workspace/xla/scripts/generate_code.sh']
2022-05-05T15:45:43.6520070Z + cleanup
2022-05-05T15:45:43.6520276Z + retcode=1
2022-05-05T15:45:43.6520444Z + set +x
2022-05-05T15:45:43.6560131Z ##[error]Process completed with exit code 1.
2022-05-05T15:45:43.6605684Z ##[group]Run pytorch/pytorch/.github/actions/get-workflow-job-id@master
2022-05-05T15:45:43.6605923Z with:
2022-05-05T15:45:43.6606348Z   github-token: ***
2022-05-05T15:45:43.6606520Z env:
2022-05-05T15:45:43.6606663Z   IN_CI: 1

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[adamjstewart]

Thanks for the fix, sorry about the bug!

[pmeier]

Thanks for the quick fix. Failing XLA test is unrelated.

[pmeier]

@pytorchbot merge this please

[github-actions]

Hey @jbschlosser.
You've committed this PR, but it does not have both a 'release notes: ...' and 'topics: ...' label. Please add one of each to the PR. The 'release notes: ...' label should represent the part of PyTorch that this PR changes (fx, autograd, distributed, etc) and the 'topics: ...' label should represent the kind of PR it is (not user facing, new feature, bug fix, perf improvement, etc). The list of valid labels can be found here for the 'release notes: ...' and here for the 'topics: ...'.
For changes that are 'topic: not user facing' there is no need for a release notes label.