update ci

.travis.yml

@@ -59,7 +59,7 @@ before_install:
   # Set numpy version first, other packages link against it
   - pip install six nose coverage codecov pytest pytest-cov coveralls codacy-coverage parameterized secp256k1prp cryptography scrypt
   - pip install pycryptodomex  pyyaml appdirs pylibscrypt tox diff_match_patch asn1crypto
-  - pip install ecdsa requests future websocket-client pytz six Click events prettytable click_shell
+  - pip install ecdsa requests websocket-client pytz six Click prettytable click_shell
 
 script:
  - tox

appveyor.yml

@@ -52,7 +52,7 @@ install:
 - cmd: conda install --yes conda-build setuptools pip parameterized cryptography
 - cmd: conda install --yes pycryptodomex pyyaml pytest pytest-mock coverage mock appdirs pylibscrypt pywin32
 - cmd: pip install scrypt -U
-- cmd: conda install --yes ecdsa requests future websocket-client pytz six Click events prettytable pyinstaller click-shell asn1crypto
+- cmd: conda install --yes ecdsa requests websocket-client pytz six Click prettytable pyinstaller click-shell asn1crypto
 
 
 build_script: