[ServiceBus] Update Python 3.6 to 3.7

Changes with the Review was applied

sdk/servicebus/azure-mgmt-servicebus/README.md

@@ -7,7 +7,6 @@ For a more complete view of Azure libraries, see the [azure sdk python release](
 ## _Disclaimer_
 
 _Azure SDK Python packages support for Python 2.7 has ended 01 January 2022. For more information and questions, please refer to https://github.com/Azure/azure-sdk-for-python/issues/20691_
-_Python 3.7 or later is required to use this package. For more details, please refer to [Azure SDK for Python version support policy](https://github.com/Azure/azure-sdk-for-python/wiki/Azure-SDKs-Python-version-support-policy)._
 
 # Usage
 

sdk/servicebus/azure-mgmt-servicebus/setup.py

@@ -51,6 +51,7 @@
         'Programming Language :: Python',
         'Programming Language :: Python :: 3 :: Only',
         'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
         'Programming Language :: Python :: 3.9',
@@ -69,5 +70,5 @@
         'azure-common~=1.1',
         'azure-mgmt-core>=1.3.0,<2.0.0',
     ],
-    python_requires=">=3.7"
+    python_requires=">=3.6"
 )

sdk/servicebus/azure-servicebus/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## 7.8.1 (Unreleased)
 
+This version and all future versions will require Python 3.7+. Python 3.6 is no longer supported.
+
 ### Features Added
 
 ### Breaking Changes
@@ -194,7 +196,7 @@ This version and all future versions will require Python 2.7 or Python 3.6+, Pyt
 
 ## 7.1.0 (2021-03-09)
 
-This version will be the last version to officially support Python 3.5, future versions will require Python 2.7 or Python 3.6+.
+This version will be the last version to officially support Python 3.5, future versions will require Python 2.7 or Python 3.7+.
 
 **New Features**
 

sdk/servicebus/azure-servicebus/README.md

@@ -19,7 +19,6 @@ of this package please look at our [migration guide to move from Service Bus V0.
 ## _Disclaimer_
 
 _Azure SDK Python packages support for Python 2.7 ended 01 January 2022. For more information and questions, please refer to https://github.com/Azure/azure-sdk-for-python/issues/20691_
-_Python 3.7 or later is required to use this package. For more details, please refer to [Azure SDK for Python version support policy](https://github.com/Azure/azure-sdk-for-python/wiki/Azure-SDKs-Python-version-support-policy)._
 
 ## Getting started
 
@@ -35,7 +34,7 @@ pip install azure-servicebus
 To use this package, you must have:
 * Azure subscription - [Create a free account][azure_sub]
 * Azure Service Bus - [Namespace and management credentials][service_bus_namespace]
-* Python 3.6 or later - [Install Python][python]
+* Python 3.7 or later - [Install Python][python]
 
 
 If you need an Azure service bus namespace, you can create it via the [Azure Portal][azure_namespace_creation].

sdk/servicebus/azure-servicebus/stress/scripts/dev_requirements.txt

@@ -1,4 +1,4 @@
-aiohttp>=3.0; python_version >= '3.7'
+aiohttp>=3.0; python_version >= '3.5'
 opencensus-ext-azure
 psutil
 pytest

sdk/servicebus/azure-servicebus/swagger/generate_attributes_sequence_tuple.py

@@ -4,10 +4,10 @@
 # --------------------------------------------------------------------------------------------
 
 
-# This is a tool, not a part of the SDK code. Run it with Python 3.7+.
+# This is a tool, not a part of the SDK code. Run it with Python 3.6+.
 #
 # It iterates the _attribute_map of model classes and print the attributes of each class into a tuple.
-# `dict` in Python 3.7+ guarantees order when iterating over the dict so the attributes tuple
+# `dict` in Python 3.6+ guarantees order when iterating over the dict so the attributes tuple
 # has the correct order of model class attributes.
 # Copy the output to file azure.servicebus.management._model_workaround.py, which will convert
 # _attribute_map of each model class from dict to OrderedDict.