Get rid of import_strategy()

freqtrade/strategy/__init__.py

@@ -1,45 +1,3 @@
-import logging
-import sys
-from copy import deepcopy
-
 from freqtrade.strategy.interface import IStrategy
 # Import Default-Strategy to have hyperopt correctly resolve
 from freqtrade.strategy.default_strategy import DefaultStrategy  # noqa: F401
-
-
-logger = logging.getLogger(__name__)
-
-
-def import_strategy(strategy: IStrategy, config: dict) -> IStrategy:
-    """
-    Imports given Strategy instance to global scope
-    of freqtrade.strategy and returns an instance of it
-    """
-
-    # Copy all attributes from base class and class
-    comb = {**strategy.__class__.__dict__, **strategy.__dict__}
-
-    # Delete '_abc_impl' from dict as deepcopy fails on 3.7 with
-    # `TypeError: can't pickle _abc_data objects``
-    # This will only apply to python 3.7
-    if sys.version_info.major == 3 and sys.version_info.minor == 7 and '_abc_impl' in comb:
-        del comb['_abc_impl']
-
-    attr = deepcopy(comb)
-
-    # Adjust module name
-    attr['__module__'] = 'freqtrade.strategy'
-
-    name = strategy.__class__.__name__
-    clazz = type(name, (IStrategy,), attr)
-
-    logger.debug(
-        'Imported strategy %s.%s as %s.%s',
-        strategy.__module__, strategy.__class__.__name__,
-        clazz.__module__, strategy.__class__.__name__,
-    )
-
-    # Modify global scope to declare class
-    globals()[name] = clazz
-
-    return clazz(config)