fix: Removing Python 3.9 support due to EOL

PiperOrigin-RevId: 907832466

Author: yifanyang

vertexai/_genai/types/common.py

@@ -7576,40 +7576,40 @@ class ReasoningEngineSpecDeploymentSpecDict(TypedDict, total=False):
 
 
 class ReasoningEngineSpecPackageSpec(_common.BaseModel):
-    """User-provided package specification, containing pickled object and package requirements."""
+  """User-provided package specification, containing pickled object and package requirements."""
 
-    dependency_files_gcs_uri: Optional[str] = Field(
+  dependency_files_gcs_uri: Optional[str] = Field(
         default=None,
         description="""Optional. The Cloud Storage URI of the dependency files in tar.gz format.""",
     )
-    pickle_object_gcs_uri: Optional[str] = Field(
+  pickle_object_gcs_uri: Optional[str] = Field(
         default=None,
         description="""Optional. The Cloud Storage URI of the pickled python object.""",
     )
-    python_version: Optional[str] = Field(
-        default=None,
-        description="""Optional. The Python version. Supported values are 3.9, 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, the default value is 3.10.""",
-    )
-    requirements_gcs_uri: Optional[str] = Field(
-        default=None,
-        description="""Optional. The Cloud Storage URI of the `requirements.txt` file""",
-    )
+  python_version: Optional[str] = Field(
+      default=None,
+      description="""Optional. The Python version. Supported values are 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, the default value is 3.10.""",
+  )
+  requirements_gcs_uri: Optional[str] = Field(
+      default=None,
+      description="""Optional. The Cloud Storage URI of the `requirements.txt` file""",
+  )
 
 
 class ReasoningEngineSpecPackageSpecDict(TypedDict, total=False):
-    """User-provided package specification, containing pickled object and package requirements."""
+  """User-provided package specification, containing pickled object and package requirements."""
 
-    dependency_files_gcs_uri: Optional[str]
-    """Optional. The Cloud Storage URI of the dependency files in tar.gz format."""
+  dependency_files_gcs_uri: Optional[str]
+  """Optional. The Cloud Storage URI of the dependency files in tar.gz format."""
 
-    pickle_object_gcs_uri: Optional[str]
-    """Optional. The Cloud Storage URI of the pickled python object."""
+  pickle_object_gcs_uri: Optional[str]
+  """Optional. The Cloud Storage URI of the pickled python object."""
 
-    python_version: Optional[str]
-    """Optional. The Python version. Supported values are 3.9, 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, the default value is 3.10."""
+  python_version: Optional[str]
+  """Optional. The Python version. Supported values are 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, the default value is 3.10."""
 
-    requirements_gcs_uri: Optional[str]
-    """Optional. The Cloud Storage URI of the `requirements.txt` file"""
+  requirements_gcs_uri: Optional[str]
+  """Optional. The Cloud Storage URI of the `requirements.txt` file"""
 
 
 ReasoningEngineSpecPackageSpecOrDict = Union[
@@ -7784,40 +7784,40 @@ class ReasoningEngineSpecSourceCodeSpecImageSpecDict(TypedDict, total=False):
 
 
 class ReasoningEngineSpecSourceCodeSpecPythonSpec(_common.BaseModel):
-    """Specification for running a Python application from source."""
+  """Specification for running a Python application from source."""
 
-    entrypoint_module: Optional[str] = Field(
+  entrypoint_module: Optional[str] = Field(
         default=None,
         description="""Optional. The Python module to load as the entrypoint, specified as a fully qualified module name. For example: path.to.agent. If not specified, defaults to "agent". The project root will be added to Python sys.path, allowing imports to be specified relative to the root. This field should not be set if the source is `agent_config_source`.""",
     )
-    entrypoint_object: Optional[str] = Field(
+  entrypoint_object: Optional[str] = Field(
         default=None,
         description="""Optional. The name of the callable object within the `entrypoint_module` to use as the application If not specified, defaults to "root_agent". This field should not be set if the source is `agent_config_source`.""",
     )
-    requirements_file: Optional[str] = Field(
+  requirements_file: Optional[str] = Field(
         default=None,
         description="""Optional. The path to the requirements file, relative to the source root. If not specified, defaults to "requirements.txt".""",
     )
-    version: Optional[str] = Field(
-        default=None,
-        description="""Optional. The version of Python to use. Support version includes 3.9, 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, default value is 3.10.""",
-    )
+  version: Optional[str] = Field(
+      default=None,
+      description="""Optional. The version of Python to use. Support version includes 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, default value is 3.10.""",
+  )
 
 
 class ReasoningEngineSpecSourceCodeSpecPythonSpecDict(TypedDict, total=False):
-    """Specification for running a Python application from source."""
+  """Specification for running a Python application from source."""
 
-    entrypoint_module: Optional[str]
-    """Optional. The Python module to load as the entrypoint, specified as a fully qualified module name. For example: path.to.agent. If not specified, defaults to "agent". The project root will be added to Python sys.path, allowing imports to be specified relative to the root. This field should not be set if the source is `agent_config_source`."""
+  entrypoint_module: Optional[str]
+  """Optional. The Python module to load as the entrypoint, specified as a fully qualified module name. For example: path.to.agent. If not specified, defaults to "agent". The project root will be added to Python sys.path, allowing imports to be specified relative to the root. This field should not be set if the source is `agent_config_source`."""
 
-    entrypoint_object: Optional[str]
-    """Optional. The name of the callable object within the `entrypoint_module` to use as the application If not specified, defaults to "root_agent". This field should not be set if the source is `agent_config_source`."""
+  entrypoint_object: Optional[str]
+  """Optional. The name of the callable object within the `entrypoint_module` to use as the application If not specified, defaults to "root_agent". This field should not be set if the source is `agent_config_source`."""
 
-    requirements_file: Optional[str]
-    """Optional. The path to the requirements file, relative to the source root. If not specified, defaults to "requirements.txt"."""
+  requirements_file: Optional[str]
+  """Optional. The path to the requirements file, relative to the source root. If not specified, defaults to "requirements.txt"."""
 
-    version: Optional[str]
-    """Optional. The version of Python to use. Support version includes 3.9, 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, default value is 3.10."""
+  version: Optional[str]
+  """Optional. The version of Python to use. Support version includes 3.10, 3.11, 3.12, 3.13, 3.14. If not specified, default value is 3.10."""
 
 
 ReasoningEngineSpecSourceCodeSpecPythonSpecOrDict = Union[