added the license Expression Library

Signed-off-by: Pratikrocks <pratikrocks.dey11@gmail.com>

Author: pratik0316

configure

@@ -27,7 +27,7 @@ CONFIGURE_ROOT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 if [[ "$PYTHON_EXE" == "" ]]; then
     PYTHON_EXE=python
 fi
-
+PYTHON_EXE=python2.7
 $PYTHON_EXE "$CONFIGURE_ROOT_DIR/etc/configure.py" $CFG_CMD_LINE_ARGS
 
 if [ -f "$CONFIGURE_ROOT_DIR/bin/activate" ]; then

etc/conf/dev/requirements_base.txt

@@ -11,3 +11,4 @@ coverage
 pytest-cov
 codecov
 pytest-rerunfailures
+pluggy

src/deltacode/cli.py

@@ -34,7 +34,6 @@
 from deltacode import __version__
 from deltacode.utils import deltas, get_notice, collect_errors
 
-
 def write_json(deltacode, outfile, all_delta_types=False):
     """
     Using the DeltaCode object, create a .json file containing the primary