[experiments] add verbosity for non plottable results

beat/cmdline/experiments.py

@@ -512,6 +512,7 @@ def plot(webapi, configuration, prefix, names, remote_results, show, force, inde
                     os.mkdir(os.path.join(configuration.path, outputfolder))
                 output_folder = os.path.join(configuration.path, outputfolder)
 
+        check_plottable = False
         if not os.path.exists(configuration.cache) or remote_results:
             experiment  = simplejson.loads(simplejson.dumps(common.fetch_object(webapi, "experiment", name, ['results'])))
             results = experiment['results']['analysis']
@@ -525,6 +526,7 @@ def plot(webapi, configuration, prefix, names, remote_results, show, force, inde
                         output_name, None, indentation + 2, format_cache)
                     status += pl_status
                     status += plot_status
+                    check_plottable = True
         else:
             # make sure experiment exists locally or pull it
             experiments = pull(webapi, configuration.path, [name], force, indentation, format_cache)
@@ -569,6 +571,9 @@ def plot(webapi, configuration, prefix, names, remote_results, show, force, inde
                                     data.as_dict()[the_data], output_name, None, indentation + 2, format_cache)
                                 status += pl_status
                                 status += plot_status
+                                check_plottable = True
+        if not check_plottable:
+            print('Experiments results are not plottable')
 
     return status