Fixed cached_property

README.md

@@ -28,6 +28,7 @@ Exchange original API docs: [https://exchange-docs.crypto.com](https://exchange-
 
 ### Changelog
 
+- **0.4.1** - fixed `cached_property` for python 3.7
 - **0.4.0** - added `OrderForceType` and `OrderExecType`, refactored `Order` responses, splited private and market methods, added missing `Pair` and `Coin`, added `Balance` dataclass, public
 keys for tests passing
 - **0.3.4** - fixed balances listener, fixed pairs

setup.py

@@ -35,7 +35,8 @@ setup(
     package_dir={'': 'src'},
     packages=find_packages('src'),
     install_requires=[
-        'aiohttp'
+        'aiohttp',
+        'cached-property'
     ],
     extras_require={
         'dev': [

src/cryptocom/exchange/__init__.py

@@ -13,4 +13,4 @@ __all__ = [
     'ApiError', 'ApiProvider'
 ]
 
-__version__ = '0.4.0'
+__version__ = '0.4.1'

src/cryptocom/exchange/structs.py

@@ -2,9 +2,10 @@ import enum
 import time
 
 from typing import List, Dict
-from functools import cached_property
 from dataclasses import dataclass
 
+from cached_property import cached_property
+
 
 class Coin(str, enum.Enum):
     BTC = 'BTC'