Only import sqlite3 when type checking
Fixes: #7127 Signed-off-by: David Vo <david@vovo.id.au>anoa/halfy_try_this
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Avoid importing `sqlite3` when using the postgres backend. Contributed by David Vo.
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@ -12,14 +12,17 @@
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# limitations under the License.
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import sqlite3
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import struct
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import struct
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import threading
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import threading
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import typing
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from synapse.storage.engines import BaseDatabaseEngine
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from synapse.storage.engines import BaseDatabaseEngine
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if typing.TYPE_CHECKING:
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import sqlite3 # noqa: F401
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class Sqlite3Engine(BaseDatabaseEngine[sqlite3.Connection]):
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class Sqlite3Engine(BaseDatabaseEngine["sqlite3.Connection"]):
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def __init__(self, database_module, database_config):
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def __init__(self, database_module, database_config):
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super().__init__(database_module, database_config)
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super().__init__(database_module, database_config)
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