class_docstr: Execute using Soma workflow
code: def __init__(self, plugin_args=None):
      if soma_not_loaded:
          raise ImportError("SomaFlow could not be imported")
      super().__init__(plugin_args=plugin_args)
  
imports: import os
  import sys
  from .base import GraphPluginBase, logger
label_desc: Use image node_id 1 to create a new SomaFlowPlugin object from inherited base classes: GraphPluginBase with example: obj = SomaFlowPlugin(plugin_args)