code: def _is_module_imported(module_name: str) -> bool:
      return module_name in sys.modules
  
file_path: mlflow/mlflow/tracking/metric_value_conversion_utils.py
imports: import sys
  from mlflow.exceptions import INVALID_PARAMETER_VALUE, MlflowException
label_desc: Use image node_id 1 for calling a global function with example usage: _is_module_imported(module_name) and returns: unknown