Merge pull request #443 from open-plan-tool/fix/datapackage-requirements

Add requirements for oemof-datapackage

Author: Bachibouzouk

app/requirements/base.txt

@@ -17,6 +17,7 @@ oemof-thermal==0.0.8
 openpyxl==3.0.10
 plotly==5.6.0
 psycopg2-binary==2.9.3
-requests==2.24.0
+requests>=2.24.0
+toml
 whitenoise==6.9.0
 XlsxWriter==1.3.9