test: allow Snakemake tests to run on newer Python versions (#700)

After upgrading Snakemake to version 7.32.4 (reanahub/reana-commons#435)
there is no need to avoid running Snakemake tests on Python 3.11 and
3.12, as it should be supported.

Closes #655

reana_client/api/client.py

@@ -303,9 +303,9 @@ def create_workflow_from_json(
             reana_yaml["outputs"] = outputs
         if workflow_file:
             reana_yaml["workflow"]["file"] = workflow_file
-            reana_yaml["workflow"][
-                "specification"
-            ] = load_workflow_spec_from_reana_yaml(reana_yaml, workspace_path)
+            reana_yaml["workflow"]["specification"] = (
+                load_workflow_spec_from_reana_yaml(reana_yaml, workspace_path)
+            )
         else:
             reana_yaml["workflow"]["specification"] = workflow_json
         # The function below loads the input parameters into the reana_yaml dictionary

reana_client/validation/environments.py

@@ -434,9 +434,11 @@ def validate_environment(self):
         def _check_environment(environment):
             image = "{}{}".format(
                 environment["image"],
-                ":{}".format(environment["imagetag"])
-                if "imagetag" in environment
-                else "",
+                (
+                    ":{}".format(environment["imagetag"])
+                    if "imagetag" in environment
+                    else ""
+                ),
             )
             k8s_uid = next(
                 (

tests/test_cli_workflows.py

@@ -580,10 +580,6 @@ def test_create_snakemake_workflow_from_json_parameters(
     external_parameter_yaml_file,
 ):
     """Test create workflow from json with external parameters."""
-    if sys.version_info.major == 3 and sys.version_info.minor in (11, 12):
-        pytest.xfail(
-            "Snakemake features of reana-client are not supported on Python 3.11"
-        )
     status_code = 201
     response = {
         "message": "The workflow has been successfully created.",