bug(job_modules): 1 module in tuple failed, format error string better

dcp/api/job.py

@@ -113,6 +113,10 @@ def _before_exec(self, *args, **kwargs):
             job_fs = bytearray(self.fs.to_gzip_tar())
             env_args = convert_env_to_arguments(self.env)
 
+            # convert single string to list of one string
+            if isinstance(self.modules, str):
+                self.modules = [self.modules]
+
             modules_pyodide = pyodide_full_module_dependencies(self.modules)
 
             #modules_dcp_packages = convert_modules_to_requires(modules_pyodide)

dcp/api/job_modules.py

@@ -19,7 +19,7 @@ def pyodide_full_module_dependencies(modules):
 
     for module in modules:
         if not module in repodata['packages']:
-            raise Exception('Usage of unsupported module "${module}". "${module}" is currently not supported by the Pyodide Worktime.')
+            raise Exception(f'Usage of unsupported module "{module}". "{module}" is currently not supported by the Pyodide Worktime.')
         dependencies.extend(repodata['packages'][module]['depends'])
 
     dependencies = list(set(dependencies))