code: def increase_indent(self):
      if self.on():
          self.indent_ += "    "
  
file_path: turicreate/src/external/boost/boost_1_68_0/tools/build/src/util/logger.py
imports: import sys
label_desc: Use image node_id 3 for calling the NullLogger obj's underlying member method code with example usage: obj.increase_indent() without return types