code: def test_is_trading_context_class_there():
      assert TradingContext
  
file_path: tensortrade/tests/tensortrade/unit/base/test_context.py
imports: from tensortrade.core import TradingContext
label_desc: Use image node_id 2 for calling a global function with example usage: test_is_trading_context_class_there() without return types