VOL-408 Second update for this Jira. This update nails down the version
of all the python packages that are used for the voltha project. This is
the final update for the Jira.

Change-Id: I9ce5cb0ed2588af7b9856b6ff18b70a255a75b9d
diff --git a/requirements.txt b/requirements.txt
index a2c37eb..545f400 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,57 +1,57 @@
 argparse==1.2.1
-arrow>=0.10.0
-bitstring
+arrow==0.10.0
+bitstring==3.1.5
 cmd2==0.7.0
-colorama>=0.2.5
+colorama==0.3.9
 cython==0.24.1
-decorator>=3.4.0
-docker-py
-fluent-logger>=0.4.3
-grpc>=0.3
+decorator==4.1.2
+docker-py==1.10.6
+fluent-logger==0.6.0
+grpc==0.3.post19
 grpcio==1.3.5
 grpcio-tools==1.3.5
-hash_ring>=1.3.1
-hexdump>=3.3
-jinja2>=2.8
-jsonpatch>=1.14
-kafka_python>=1.3.1
-klein>=15.3.1
-netaddr>=0.7.19
-networkx>=1.11
-nose>=1.3.7
-nose-exclude>=0.5.0
-mock>=1.3.0
-netifaces>=0.10.4
-pcapy>=0.10.10
-pep8>=1.5.7
+hash_ring==1.3.1
+hexdump==3.3
+jinja2==2.8
+jsonpatch==1.16
+kafka_python==1.3.5
+klein==17.10.0
+netaddr==0.7.19
+networkx==2.0
+nose==1.3.7
+nose-exclude==0.5.0
+mock==2.0.0
+netifaces==0.10.6
+pcapy==0.11.1
+pep8==1.7.1
 pep8-naming>=0.3.3
 protobuf==3.3.0
-protobuf-to-dict>=0.1.0
-pyflakes>=1.0.0
-pylint>=1.5.2
+protobuf-to-dict==0.1.0
+pyflakes==1.6.0
+pylint==1.7.4
 #pypcap>=1.1.5
-pyOpenSSL>=0.13
-PyYAML>=3.10
-requests
-scapy>=2.3.2
-service-identity
-simplejson>=3.8.1
-jsonschema>=2.6.0
-six>=1.10.0
-structlog>=16.1.0
-termcolor>=1.1.0
-treq>=15.1.0
-Twisted>=13.2.0
-urllib3>=1.7.1
-pyang>=1.7
+pyOpenSSL==17.3.0
+PyYAML==3.12
+requests==2.18.4
+scapy==2.3.3
+service-identity==17.0.0
+simplejson==3.12.0
+jsonschema==2.6.0
+six==1.11.0
+structlog==17.2.0
+termcolor==1.1.0
+treq==17.8.0
+Twisted==17.9.0
+urllib3==1.22
+pyang==1.7.3
 lxml==3.6.4
 nosexcover==1.0.11
-zmq>=0.0.0
-pyzmq>=16.0.2
+zmq==0.0.0
+pyzmq==16.0.3
 txZMQ==0.8.0
 ncclient==0.5.3
 xmltodict==0.11.0
-dicttoxml
+dicttoxml==1.7.4
 
 # python-consul>=0.6.1  we need the pre-released version for now, because 0.6.1 does not
 # yet support Twisted. Once this is released, it will be the 0.6.2 version