diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/artifact.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/artifact.json
index 9a3b640f1c42..8b52e3788ee0 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/artifact.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/artifact.json
@@ -1543,4 +1543,4 @@
     }
   ],
   "tags": []
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/datastore.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/datastore.json
index c0f5492ebb08..74f681ba9d14 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/datastore.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/datastore.json
@@ -922,4 +922,4 @@
     }
   ],
   "tags": []
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelHyperDriveExperiment.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelHyperDriveExperiment.json
index d8649e938603..ba759fa0ea93 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelHyperDriveExperiment.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelHyperDriveExperiment.json
@@ -13,4 +13,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelRunWithUri.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelRunWithUri.json
index fb151b560d31..119a85b57fd1 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelRunWithUri.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/cancelRunWithUri.json
@@ -1,18 +1,18 @@
 {
   "parameters": {
-	"region": "eastus",
-	"dnsSuffix": "api.azureml.ms",
-	"subscriptionId": "00000000-0000-0000-0000-000000000000",
-  "resourceGroupName": "demo_resource_group",
-  "workspaceName": "demo_workspace",
-	"experimentName": "demo_experiment",
-	"runId": "demorun_15501234342_0"
+    "region": "eastus",
+    "dnsSuffix": "api.azureml.ms",
+    "subscriptionId": "00000000-0000-0000-0000-000000000000",
+    "resourceGroupName": "demo_resource_group",
+    "workspaceName": "demo_workspace",
+    "experimentName": "demo_experiment",
+    "runId": "demorun_15501234342_0"
   },
   "responses": {
-	  "200": {
+    "200": {
       "body": {
         "runId": "demorun_15501234342_0"
       }
-	  }
+    }
   }
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/createHyperDriveExperiment.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/createHyperDriveExperiment.json
index 580710d6786a..4874d2a84fce 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/createHyperDriveExperiment.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/createHyperDriveExperiment.json
@@ -20,7 +20,13 @@
           "generator_config": {
             "name": "BAYESIANOPTIMIZATION",
             "parameter_space": {
-              "--param1": ["uniform", [0, 1]]
+              "--param1": [
+                "uniform",
+                [
+                  0,
+                  1
+                ]
+              ]
             }
           },
           "max_concurrent_jobs": 1,
@@ -29,8 +35,7 @@
           "modified": "2019-05-23T20:00:00.0Z",
           "name": "demo_experiment",
           "platform": "AML",
-          "platform_config": {
-          },
+          "platform_config": {},
           "policy_config": {
             "name": "DEFAULT"
           },
@@ -46,4 +51,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startLocalRun.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startLocalRun.json
index 4169cb1ccd48..21d70904a3e8 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startLocalRun.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startLocalRun.json
@@ -1,47 +1,46 @@
 {
-	"parameters": {
-		"region": "eastus",
-		"dnsSuffix": "api.azureml.ms",
-		"subscriptionId": "00000000-0000-0000-0000-000000000000",
-		"resourceGroupName": "demo_resource_group",
-		"workspaceName": "demo_workspace",
-		"experimentName": "demo_experiment",
-		"definition": {
-			"snapshotId": "00000000-0000-0000-0000-000000000000",
-			"configuration": {
-				"script": "findsquare.py",
-				"arguments": [
-					"234"
-				],
-				"framework": "Python",
-				"communicator": "None",
-				"target": "batchai",
-				"maxRunDurationSeconds": 1200,
-				"nodeCount": 1,
-				"environment": {
-					"python": {
-						"interpreterPath": "python",
-						"userManagedDependencies": false,
-						"condaDependencies": {
-							"name": "project_environment",
-							"dependencies": [
-								"python=3.6.2",
-								{
-									"pip": [
-										"azureml-defaults"
-									]
-								}
-							]
-						}
-					},
-					"docker": {
-						"baseImage": "mcr.microsoft.com/azureml/base:0.2.2"
-					}
-				},
-				"history": {
-				}
-			}
-		}
+  "parameters": {
+    "region": "eastus",
+    "dnsSuffix": "api.azureml.ms",
+    "subscriptionId": "00000000-0000-0000-0000-000000000000",
+    "resourceGroupName": "demo_resource_group",
+    "workspaceName": "demo_workspace",
+    "experimentName": "demo_experiment",
+    "definition": {
+      "snapshotId": "00000000-0000-0000-0000-000000000000",
+      "configuration": {
+        "script": "findsquare.py",
+        "arguments": [
+          "234"
+        ],
+        "framework": "Python",
+        "communicator": "None",
+        "target": "batchai",
+        "maxRunDurationSeconds": 1200,
+        "nodeCount": 1,
+        "environment": {
+          "python": {
+            "interpreterPath": "python",
+            "userManagedDependencies": false,
+            "condaDependencies": {
+              "name": "project_environment",
+              "dependencies": [
+                "python=3.6.2",
+                {
+                  "pip": [
+                    "azureml-defaults"
+                  ]
+                }
+              ]
+            }
+          },
+          "docker": {
+            "baseImage": "mcr.microsoft.com/azureml/base:0.2.2"
+          }
+        },
+        "history": {}
+      }
+    }
   },
   "responses": {
     "200": {
@@ -51,4 +50,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startRun.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startRun.json
index 5c35daeac5f1..00e885a53c72 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startRun.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startRun.json
@@ -1,14 +1,14 @@
 {
-	"parameters": {
-		"region": "eastus",
-		"dnsSuffix": "api.azureml.ms",
-		"subscriptionId": "00000000-0000-0000-0000-000000000000",
-		"resourceGroupName": "demo_resource_group",
-		"workspaceName": "demo_workspace",
-		"experimentName": "demo_experiment",
-		"runDefinitionFile": "multipart-form-data",
-		"projectZipFile": "multipart-form-data"
-	},
+  "parameters": {
+    "region": "eastus",
+    "dnsSuffix": "api.azureml.ms",
+    "subscriptionId": "00000000-0000-0000-0000-000000000000",
+    "resourceGroupName": "demo_resource_group",
+    "workspaceName": "demo_workspace",
+    "experimentName": "demo_experiment",
+    "runDefinitionFile": "multipart-form-data",
+    "projectZipFile": "multipart-form-data"
+  },
   "responses": {
     "200": {
       "body": {
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startSnapshotRun.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startSnapshotRun.json
index e4c9c448d3a1..9c494e4dba90 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startSnapshotRun.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/examples/startSnapshotRun.json
@@ -1,13 +1,13 @@
 {
   "parameters": {
-	"region": "eastus",
-	"dnsSuffix": "api.azureml.ms",
+    "region": "eastus",
+    "dnsSuffix": "api.azureml.ms",
     "subscriptionId": "00000000-0000-0000-0000-000000000000",
     "resourceGroupName": "demo_resource_group",
     "workspaceName": "demo_workspace",
     "experimentName": "demo_experiment",
-	  "definition": {
-		  "snapshotId": "00000000-0000-0000-0000-000000000000",
+    "definition": {
+      "snapshotId": "00000000-0000-0000-0000-000000000000",
       "configuration": {
         "script": "findsquare.py",
         "arguments": [
@@ -38,10 +38,9 @@
             "baseImage": "mcr.microsoft.com/azureml/base:0.2.2"
           }
         },
-        "history": {
-        }
+        "history": {}
       }
-	  }
+    }
   },
   "responses": {
     "200": {
@@ -50,4 +49,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/execution.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/execution.json
index 0b4ce6a63877..ca260daefa7b 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/execution.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/execution.json
@@ -824,4 +824,4 @@
     }
   ],
   "tags": []
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/hyperdrive.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/hyperdrive.json
index d10471c62277..ca5399f51681 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/hyperdrive.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/hyperdrive.json
@@ -177,13 +177,23 @@
             },
             "parameter_space": {
               "type": "object",
-              "additionalProperties":{
+              "additionalProperties": {
                 "type": "array",
                 "items": {},
                 "minItems": 2,
                 "maxItems": 2,
                 "description": "The first element in the array is a string identifying the parameter expression type like choice, uniform etc. The second element is a parameter expressions corresponding to the type.\r\n Please refer to https://docs.microsoft.com/en-us/python/api/azureml-train-core/azureml.train.hyperdrive.parameter_expressions?view=azure-ml-py for a list of supported types and options for each type.\r\n choice parameters are specified as ['choice', [[1, 2, 3, 4]]]. randint is in format ['randint', [1]].\r\n uniform, loguniform, normal, lognormal are in format [expression type, [0.01, 0.05]].\r\n quniform, qloguniform, qnormal, qlognormal are in format [expression type, [0.01, 0.05, 3]].\r\n",
-                "example": ["choice", [[1, 2, 3, 4]]]
+                "example": [
+                  "choice",
+                  [
+                    [
+                      1,
+                      2,
+                      3,
+                      4
+                    ]
+                  ]
+                ]
               },
               "description": "Dictionary specifying hyperparameter space."
             }
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/modelManagement.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/modelManagement.json
index face32626cfd..ff6ed3317c07 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/modelManagement.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/modelManagement.json
@@ -3600,4 +3600,4 @@
     }
   ],
   "tags": []
-}
\ No newline at end of file
+}
diff --git a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/runHistory.json b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/runHistory.json
index 5e4cc6c710fc..2ffbaecc600a 100644
--- a/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/runHistory.json
+++ b/specification/machinelearningservices/data-plane/Microsoft.MachineLearningServices/preview/2019-08-01/runHistory.json
@@ -2698,4 +2698,4 @@
     }
   ],
   "tags": []
-}
\ No newline at end of file
+}