Update readme.python.md (#17259)

Author: msyyc

specification/notificationhubs/resource-manager/readme.python.md

@@ -10,7 +10,7 @@ azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
 namespace: azure.mgmt.notificationhubs
 package-name: azure-mgmt-notificationhubs
-package-version: 7.0.0b1
+package-version: 7.0.0
 clear-output-folder: true
 ```
 
@@ -21,4 +21,4 @@ output-folder: $(python-sdks-folder)/notificationhubs/azure-mgmt-notificationhub
 ``` yaml $(python) && $(python-mode) == 'create' && $(track2)
 basic-setup-py: true
 output-folder: $(python-sdks-folder)/notificationhubs/azure-mgmt-notificationhubs
-```
+```