Dialect: Fix SQLAlchemy entrypoint

The dialect as designated by the `crate` dialect identifier was still
pointing to the `crate` package. Now, it is assigned to this one
instead.

pyproject.toml

@@ -84,7 +84,7 @@ dynamic = [
 ]
 dependencies = [
   'backports.zoneinfo<1; python_version < "3.9"',
-  "crate",
+  "crate @ git+https://github.com/crate/crate-python.git@no-sqlalchemy",
   "geojson<4,>=2.5",
   'importlib-resources; python_version < "3.9"',
   "sqlalchemy<2.1,>=1",
@@ -120,7 +120,7 @@ documentation = "https://github.com/crate-workbench/sqlalchemy-cratedb"
 homepage = "https://github.com/crate-workbench/sqlalchemy-cratedb"
 repository = "https://github.com/crate-workbench/sqlalchemy-cratedb"
 [project.entry-points."sqlalchemy.dialects"]
-crate = "sqlalchemy_cratedb:CrateDialect"
+crate = "sqlalchemy_cratedb.dialect:dialect"
 
 [tool.black]
 line-length = 80

src/sqlalchemy_cratedb/dialect.py

@@ -367,3 +367,6 @@ def has_ilike_operator(self):
 class DateTrunc(functions.GenericFunction):
     name = "date_trunc"
     type = sqltypes.TIMESTAMP
+
+
+dialect = CrateDialect

tests/__init__.py

@@ -2,7 +2,7 @@
 
 from sqlalchemy_cratedb.compat.api13 import monkeypatch_amend_select_sa14, monkeypatch_add_connectionfairy_driver_connection
 from sqlalchemy_cratedb.sa_version import SA_1_4, SA_VERSION
-from crate.client.test_util import ParametrizedTestCase
+from .util import ParametrizedTestCase
 
 # `sql.select()` of SQLAlchemy 1.3 uses old calling semantics,
 # but the test cases already need the modern ones.