Remove sqlalchemy-spanner exclusion after it's been yanked.

providers/google/README.rst

@@ -127,7 +127,7 @@ PIP package                                  Version required
 ``python-slugify``                           ``>=7.0.0``
 ``PyOpenSSL``                                ``>=23.0.0``
 ``sqlalchemy-bigquery``                      ``>=1.2.1``
-``sqlalchemy-spanner``                       ``>=1.6.2,!=1.12.0``
+``sqlalchemy-spanner``                       ``>=1.6.2``
 ``tenacity``                                 ``>=8.1.0``
 ``immutabledict``                            ``>=4.2.0``
 ``types-protobuf``                           ``!=5.29.1.20250402``

providers/google/docs/index.rst

@@ -175,7 +175,7 @@ PIP package                                 Version required
 ``python-slugify``                          ``>=7.0.0``
 ``PyOpenSSL``                               ``>=23.0.0``
 ``sqlalchemy-bigquery``                     ``>=1.2.1``
-``sqlalchemy-spanner``                      ``>=1.6.2,!=1.12.0``
+``sqlalchemy-spanner``                      ``>=1.6.2``
 ``tenacity``                                ``>=8.1.0``
 ``immutabledict``                           ``>=4.2.0``
 ``types-protobuf``                          ``!=5.29.1.20250402``

providers/google/pyproject.toml

@@ -137,7 +137,7 @@ dependencies = [
     "python-slugify>=7.0.0",
     "PyOpenSSL>=23.0.0",
     "sqlalchemy-bigquery>=1.2.1",
-    "sqlalchemy-spanner>=1.6.2,!=1.12.0",
+    "sqlalchemy-spanner>=1.6.2",
     "tenacity>=8.1.0",
     "immutabledict>=4.2.0",
     # types-protobuf 5.29.1.20250402 is a partial stub package, leading to mypy complaining

scripts/in_container/run_generate_constraints.py

@@ -349,10 +349,20 @@ def generate_constraints_pypi_providers(config_params: ConfigParams) -> None:
 
     # In case we have some problems with installing highest resolution of a dependency of one of our
     # providers in PyPI - we can exclude the buggy version here. For example this happened with
-    # sqlalchemy-spanner==1.4.0 which did not have `whl` file in PyPI and was not installable
+    # sqlalchemy-spanner==1.12.0 which did not have `whl` file in PyPI and was not installable
+    # and in this case we excluded it by adding ""sqlalchemy-spanner!=1.12.0" to the list below.
+    # In case we add exclusion here we should always link to the issue in the target dependency
+    # repository that tracks the problem with the dependency (we should create one if it does not exist).
+    #
+    # Example exclusion (not needed any more as sqlalchemy-spanner==1.12.0has been yanked in PyPI):
+    #
+    # additional_constraints_for_highest_resolution: list[str] = ["sqlalchemy-spanner!=1.12.0"]
+    #
     # Current exclusions:
-    # * sqlalchemy-spanner: https://github.com/googleapis/python-spanner-sqlalchemy/issues/682
-    additional_constraints_for_highest_resolution = ["sqlalchemy-spanner!=1.12.0"]
+    #
+    # * no exclusions
+    #
+    additional_constraints_for_highest_resolution: list[str] = []
 
     result = run_command(
         cmd=[