Python inspector command fails when requirements.txt includes sys_platform

Python inspector command fails to scan when some packages include system platform information:

```
>python-inspector --requirement requirements.txt -p 313 -o macos --json-pdt tmp.json

Traceback (most recent call last):
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/python_inspector/resolve_cli.py", line 259, in resolve_dependencies
resolution_result: Dict = resolver_api(
~~~~~~~~~~~~^
requirement_files=requirement_files,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<15 lines>...
generic_paths=generic_paths,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
)
^
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/python_inspector/api.py", line 283, in resolve_dependencies
resolution, purls = resolve(
~~~~~~~^
direct_dependencies=direct_dependencies,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
...<8 lines>...
printer=printer,
^^^^^^^^^^^^^^^^
)
^
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/python_inspector/api.py", line 374, in resolve
resolved_dependencies, packages = get_resolved_dependencies(
~~~~~~~~~~~~~~~~~~~~~~~~~^
requirements=requirements,
^^^^^^^^^^^^^^^^^^^^^^^^^^
...<8 lines>...
printer=printer,
^^^^^^^^^^^^^^^^
)
^
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/python_inspector/api.py", line 465, in get_resolved_dependencies
resolver_results = resolver.resolve(requirements=requirements, max_rounds=max_rounds)
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/resolvelib/resolvers/resolution.py", line 596, in resolve
state = resolution.resolve(requirements, max_rounds=max_rounds)
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/resolvelib/resolvers/resolution.py", line 429, in resolve
self._add_to_criteria(self.state.criteria, r, parent=None)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/resolvelib/resolvers/resolution.py", line 125, in _add_to_criteria
matches = self._p.find_matches(
identifier=identifier,
...<9 lines>...
),
)
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/python_inspector/resolution.py", line 634, in find_matches
candidates = sorted(
self._iter_matches(identifier, requirements, incompatibilities),
key=operator.attrgetter("version"),
reverse=True,
)
File "~/Documents/misc/python-torch-multi-platform/.venv/lib/python3.13/site-packages/python_inspector/resolution.py", line 617, in _iter_matches
raise NoVersionsFound(f"This package does not exist: {name}")
python_inspector.error.NoVersionsFound: This package does not exist: torch
```

The requirements.txt file (https://github.com/voidpetal/pyinsp-system-platform-test/tree/main):
```
torch==2.8.0; sys_platform != "linux"
```