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Fix subscriptable type usage in Python <3.9 (#15604)

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Fix the following `mypy` errors when running `mypy` with Python 3.7:
```
synapse/storage/controllers/stats.py:58: error: "Counter" is not subscriptable, use "typing.Counter" instead  [misc]

tests/test_state.py:267: error: "dict" is not subscriptable, use "typing.Dict" instead  [misc]
```

Part of https://github.com/matrix-org/synapse/issues/15603

In Python 3.9, `typing` is deprecated and the types are subscriptable (generics) by default, https://peps.python.org/pep-0585/#implementation
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Eric Eastwood 2023-05-16 12:19:46 -05:00 committed by GitHub
parent 0ccfb9318c
commit c51d2e6199
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3 changed files with 3 additions and 3 deletions
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1
changelog.d/15604.misc Normal file
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@ -0,0 +1 @@
Fix subscriptable type usage in Python <3.9.

3
synapse/storage/controllers/stats.py
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@ -13,8 +13,7 @@
# limitations under the License.
import logging
from collections import Counter
from typing import TYPE_CHECKING, Collection, List, Tuple
from typing import TYPE_CHECKING, Collection, Counter, List, Tuple
from synapse.api.errors import SynapseError
from synapse.storage.database import LoggingTransaction

2
tests/test_state.py
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@ -264,7 +264,7 @@ class StateTestCase(unittest.TestCase):
self.dummy_store.register_events(graph.walk())
context_store: dict[str, EventContext] = {}
context_store: Dict[str, EventContext] = {}
for event in graph.walk():
context = yield defer.ensureDeferred(