我正在尝试使用pip安装熊猫，
pip install pandas
但是我遇到了这个错误：
grpc-google-iam-v1 0.11.1 has requirement oauth2client<4.0.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-spanner-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-logging-v2 0.91.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-datastore-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
bittrex 0.1.4 has requirement requests==2.7.0, but you'll have requests 2.17.3 which is incompatible.
zipline 1.1.1 has requirement pandas<0.19,>=0.18.1, but you'll have pandas 0.23.0 which is incompatible.
proto-google-cloud-speech-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-pubsub-v1 0.15.4 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-speech-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-pubsub-v1 0.15.4 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-error-reporting-v1beta1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-logging-v2 0.91.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-spanner-admin-database-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-spanner-admin-instance-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-error-reporting-v1beta1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-spanner-admin-instance-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
networkx 2.0 has requirement decorator>=4.1.0, but you'll have decorator 4.0.11 which is incompatible.
proto-google-cloud-datastore-v1 0.90.4 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-spanner-admin-database-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-spanner-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
当我尝试使用以下命令降级oauth2client时
pip install oauth2client=4.0.0
我收到此错误：
grpc-google-iam-v1 0.11.1 has requirement oauth2client<4.0.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-spanner-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-logging-v2 0.91.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-datastore-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
bittrex 0.1.4 has requirement requests==2.7.0, but you'll have requests 2.17.3 which is incompatible.
zipline 1.1.1 has requirement pandas<0.19,>=0.18.1, but you'll have pandas 0.23.0 which is incompatible.
proto-google-cloud-speech-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-pubsub-v1 0.15.4 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-speech-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-pubsub-v1 0.15.4 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-error-reporting-v1beta1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-logging-v2 0.91.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-spanner-admin-database-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-spanner-admin-instance-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-error-reporting-v1beta1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-spanner-admin-instance-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
networkx 2.0 has requirement decorator>=4.1.0, but you'll have decorator 4.0.11 which is incompatible.
proto-google-cloud-datastore-v1 0.90.4 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
gapic-google-cloud-spanner-admin-database-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
proto-google-cloud-spanner-v1 0.15.3 has requirement oauth2client<4.0dev,>=2.0.0, but you'll have oauth2client 4.0.0 which is incompatible.
我该如何解决？