diff --git a/.idea/DataHarmonizer.iml b/.idea/DataHarmonizer.iml
new file mode 100644
index 00000000..5634c754
--- /dev/null
+++ b/.idea/DataHarmonizer.iml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/venv" />
+    </content>
+    <orderEntry type="jdk" jdkName="Python 3.9 (DataHarmonizer)" jdkType="Python SDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 00000000..54c61c36
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (DataHarmonizer)" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 2785e3c9..8eb62023 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,4 @@
 # version requirement?
-dpath
+dpath==2.0.6
+black
+