code: def test_valid_truediv():
      BTC = Instrument("BTC", 8, "Bitcoin")
      ETH = Instrument("ETH", 8, "Etheruem")
  
      pair = BTC / ETH
  
      assert pair.base == BTC
      assert pair.quote == ETH
  
file_path: tensortrade/tests/tensortrade/unit/oms/instruments/test_instrument.py
imports: import pytest
  from tensortrade.oms.instruments import Instrument, Quantity
  from tensortrade.core.exceptions import InvalidTradingPair
label_desc: Use image node_id 6 for calling a global function with example usage: test_valid_truediv() without return types