Added required dependency to appDefinition.json

revert Update appDefinition.json

README.md

@@ -1,9 +1,9 @@
 # PythonSampleApp
 
 This application shows:
- - basic usage of input files in Python applications
  - basic usage of input files in Python applications
  - creating and returning output file in Python application
+ - declaring Matplotlib dependency
 
 Contents of the repository:
  - [appDefinition.json](appDefinition.json) - application definition descriptor

appDefinition.json

@@ -18,6 +18,6 @@
     "fileName" : "multiplied_numbers_plot.png",
     "isReturnedValue" : false
   } ],
-  "requiredTools" : [ "python3", "python-numpy" ],
+  "requiredTools" : [ "python3", "python-numpy", "python-matplotlib" ],
   "requiredComputationResources" : { }
 }