code: def test_funargs():
      p = (
          ggplot(data, aes("x", "y"))
          + stat_summary(
              fun_data="mean_cl_normal", size=2, color="blue"
          )
          + stat_summary(
              fun_data="mean_cl_normal",
              fun_args={"confidence_interval": 0.5},
              size=2,
              color="green",
          )
      )
  
      assert p == "fun_args"
  
file_path: plotnine/tests/test_stat_summary.py
imports: import numpy
  import pandas
  import pytest
  from plotnine import aes, geom_point, ggplot, stat_summary
label_desc: Use image node_id 6 for calling a global function with example usage: test_funargs() without return types