Fix py27 requirements

Author: lscheinkman

.dockerignore

@@ -0,0 +1 @@
+**/.*

Dockerfile.py27

@@ -11,6 +11,8 @@ ENV PATH $JAVA_HOME/bin:$PATH
 ENV NAB /usr/local/src/nab
 
 ADD . $NAB
+WORKDIR $NAB
+RUN python -m pip install -e .
 
 # Run Numenta detectors
 RUN echo "Running numenta detectors in Python 2.7..."

requirements.txt

@@ -1,4 +1,5 @@
 pandas==0.20.3
 simplejson==3.11.1
 boto3==1.9.134
-scikit-learn==0.21.1
+scikit-learn==0.21.1; python_version >= '3.5'
+scikit-learn==0.20.1; python_version < '3.5'