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@@ -920,13 +920,11 @@ def altcoin_subclass(cls,mod_id,cls_name):
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mod_dir = g.proto.base_coin.lower()
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pname = g.proto.class_pfx if hasattr(g.proto,'class_pfx') else capfirst(g.proto.name)
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tname = 'Token' if g.token else ''
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- e1 = 'from mmgen.altcoins.{}.{} import {}{}{}'.format(mod_dir,mod_id,pname,tname,cls_name)
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- e2 = 'alt_cls = {}{}{}'.format(pname,tname,cls_name)
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- gl = globals()
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+ import importlib
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+ modname = 'mmgen.altcoins.{}.{}'.format(mod_dir,mod_id)
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+ clsname = '{}{}{}'.format(pname,tname,cls_name)
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try:
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- exec(e1,gl,gl)
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- exec(e2,gl,gl)
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- return alt_cls
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+ return getattr(importlib.import_module(modname),clsname)
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except ImportError:
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return cls
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