修改下tf版本

requirements.txt

@@ -1,18 +1,19 @@
-flask>=0.12.3
-gevent>=1.2.2
-Flask-Caching>=1.3.3
-gevent-websocket>=0.10.1
-tensorflow==1.14.0
-pillow>=4.3.0
-opencv-python==3.4.5.20
-numpy>=1.16.0
-grpcio>=1.14.2
-grpcio_tools>=1.14.2
-requests>=2.18.4
-pyyaml>=3.13
-tornado>=5.1.1
-watchdog==0.9.0
-pyinstaller>=3.5
+flask
+gevent
+Flask-Caching
+gevent-websocket
+tf-nightly
+pillow
+opencv-python
+numpy
+grpcio
+grpcio_tools
+requests
+pyyaml
+tornado
+watchdog
+pyinstaller
 sanic
 paramiko
-APScheduler
+APScheduler
+requests