Contract.balance function name collision with contract

[fubuloubu]

Environment information

• brownie Version: 1.9.10
• ganache-cli Version: n.f.c
• solc Version: 0.6.2
• Python Version: 3.8.5
• OS: linux

What was wrong?

Traceback (most recent call last):
  File "/home/bryant/.pyenv/versions/3.8.4/lib/python3.8/threading.py", line 932, in _bootstrap_inner
    self.run()
  File "/home/bryant/.pyenv/versions/3.8.4/lib/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/home/bryant/.pyenv/versions/3.8.4/envs/brownie/lib/python3.8/site-packages/brownie/network/contract.py", line 195, in _add_from_tx
    self.at(tx.contract_address, tx.sender, tx)
  File "/home/bryant/.pyenv/versions/3.8.4/envs/brownie/lib/python3.8/site-packages/brownie/network/contract.py", line 178, in at
    contract = ProjectContract(self._project, build, address, owner, tx)
  File "/home/bryant/.pyenv/versions/3.8.4/envs/brownie/lib/python3.8/site-packages/brownie/network/contract.py", line 772, in __init__
    _DeployedContractBase.__init__(self, address, owner, tx)
  File "/home/bryant/.pyenv/versions/3.8.4/envs/brownie/lib/python3.8/site-packages/brownie/network/contract.py", line 334, in __init__
    self._check_and_set(abi["name"], fn)
  File "/home/bryant/.pyenv/versions/3.8.4/envs/brownie/lib/python3.8/site-packages/brownie/network/contract.py", line 345, in _check_and_set
    raise AttributeError(f"Namespace collision: '{self._name}.{name}'")
AttributeError: Namespace collision: 'yVault.balance'

How can it be fixed?

This reaches deep into the API, so a proper fix has to come with #399

As a temporary hack, you could allow overwriting .balance when there's an ABI method of the same name. You are still able to query balances using RPC