eth2.0-specs/tests/core/pyspec/eth2spec/config/README.md

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# Eth2 config util
For configuration, see [Configs documentation](../../../../../configs/README.md).
## Usage:
```python
configs_path = 'configs/'
...
from eth2spec.config import config_util
from eth2spec.phase0 import spec
from importlib import reload
config_util.prepare_config(configs_path, 'mainnet')
# reload spec to make loaded config effective
reload(spec)
```
WARNING: this overwrites globals, make sure to prevent accidental collisions with other usage of the same imported specs package.