Add PipelineTemporarilyUnavailableException handling to `PipelineRe…

…sultService`. pt.2

Web Integration/FiftyOne.Pipeline.Web/Services/PipelineResultService.cs

@@ -86,11 +86,11 @@ public void Process(HttpContext context)
             // Store the FlowData in the HttpContext
             context.Items.Add(Constants.HTTPCONTEXT_FLOWDATA, flowData);
 
-            // Extract the required pieces of evidence from the request
-            _evidenceService.AddEvidenceFromRequest(flowData, context.Request);
-
             try
             {
+                // Extract the required pieces of evidence from the request
+                _evidenceService.AddEvidenceFromRequest(flowData, context.Request);
+
                 // Start processing the data
                 flowData.Process();
             }