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HDWallet.from_index missing return statement #93

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HDWallet.from_index missing return statement #93

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6 changes: 3 additions & 3 deletions hdwallet/hdwallet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -455,7 +455,7 @@ def from_path(self, path: Union[str, Derivation]) -> "HDWallet":
self._path += str("/" + index)
return self

def from_index(self, index: int, hardened: bool = False) -> "HDWallet":
def from_index(self, index: int, hardened: bool = False) -> Optional["HDWallet"]:
"""
Derivation from Index.

Expand All @@ -464,7 +464,7 @@ def from_index(self, index: int, hardened: bool = False) -> "HDWallet":
:param hardened: Hardened address, default to ``False``.
:type hardened: bool

:returns: HDWallet -- Hierarchical Deterministic Wallet instance.
:returns: Optional[HDWallet] -- Hierarchical Deterministic Wallet instance.

>>> from hdwallet import HDWallet
>>> from hdwallet.symbols import BTC
Expand All @@ -483,7 +483,7 @@ def from_index(self, index: int, hardened: bool = False) -> "HDWallet":

if hardened:
self._path += ("/%d'" % index)
self._derive_key_by_index(index + BIP32KEY_HARDEN)
return self._derive_key_by_index(index + BIP32KEY_HARDEN)
else:
self._path += ("/%d" % index)
return self._derive_key_by_index(index)
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