add paddle.fluid.install_check.run_check example doc (#25993)

python/paddle/fluid/install_check.py

@@ -45,10 +45,23 @@ class SimpleLayer(Layer):
 
 
 def run_check():
-    ''' install check to verify if install is success
+    """To check whether install is successful
-
     This func should not be called only if you need to verify installation
-    '''
+
+    Examples:
+        .. code-block: python
+
+            import paddle.fluid as fluid
+            fluid.install_check.run_check()
+
+            # If installed successfully, output may be
+            # Running Verify Fluid Program ... 
+            # W0805 04:24:59.496919 35357 device_context.cc:268] Please NOTE: device: 0, CUDA Capability: 70, Driver API Version: 10.2, Runtime API Version: 10.1
+            # W0805 04:24:59.505594 35357 device_context.cc:276] device: 0, cuDNN Version: 7.6.
+            # Your Paddle Fluid works well on SINGLE GPU or CPU.
+            # Your Paddle Fluid works well on MUTIPLE GPU or CPU.
+            # Your Paddle Fluid is installed successfully! Let's start deep Learning with Paddle Fluid now
+    """
     print("Running Verify Fluid Program ... ")
 
     device_list = []

tools/wlist.json

@@ -63,7 +63,6 @@
         "Compressor",
         "Compressor.config",
         "Compressor.run",
-        "run_check",
         "HDFSClient.upload",
         "HDFSClient.download",
         "HDFSClient.is_exist",