Add missing module requirement for packaging

Change-Id: I2dbe8d6565aaab577cdaa525ff022e82968d12e4
diff --git a/setup.py b/setup.py
index 86515d8..a15effb 100644
--- a/setup.py
+++ b/setup.py
@@ -33,6 +33,7 @@
         'plotly',
         'plotly-express',
         'pandas>=1.2',
+        'packaging',
         'markdown'
     ]
 )