code: def _apply_default_runs_for_diff(ctx):
      if ctx.params["run"]:
          return
      ctx.params["run"] = "1"
      if ctx.args:
          if len(ctx.args) >= 2:
              ctx.params["run"] = ctx.args[0]
              ctx.params["other_run"] = ctx.args[1]
          else:
              ctx.params["other_run"] = ctx.args[0]
  
file_path: guildai/guild/commands/runs_diff.py
imports: import os
  import click
  from guild import click_util
  from .None import ac_support
  from .None import remote_support
  from .None import runs_support
label_desc: Use image node_id 4 for calling a global function with example usage: _apply_default_runs_for_diff(ctx) without return types