[formrecognizer] Drop Python 3.6 (Azure#25076)

* drop python 3.6

* remove sentence about async samples

Author: catalinaperalta

sdk/formrecognizer/azure-ai-formrecognizer/CHANGELOG.md

@@ -14,6 +14,7 @@
 ### Bugs Fixed
 
 ### Other Changes
+- Python 3.6 is no longer supported in this release. Please use Python 3.7 or later.
 
 ## 3.2.0b5 (2022-06-07)
 

sdk/formrecognizer/azure-ai-formrecognizer/README.md

@@ -17,7 +17,7 @@ _Azure SDK Python packages support for Python 2.7 ended 01 January 2022. For mor
 ## Getting started
 
 ### Prerequisites
-* Python 3.6 or later is required to use this package.
+* Python 3.7 or later is required to use this package.
 * You must have an [Azure subscription][azure_subscription] and a
 [Cognitive Services or Form Recognizer resource][FR_or_CS_resource] to use this package.
 

sdk/formrecognizer/azure-ai-formrecognizer/samples/README.md

@@ -16,7 +16,6 @@ urlFragment: formrecognizer-samples
 > code from client library version 3.1.X or lower to the latest version. Additionally, see the [Changelog][changelog] for more detailed information.
 
 These code samples show common scenario operations with the Azure Form Recognizer client library.
-The async versions of the samples require Python 3.6 or later.
 
 These sample programs show common scenarios for the Form Recognizer client's offerings.
 
@@ -73,7 +72,7 @@ All of these samples need the endpoint to your Form Recognizer resource ([instru
 Please see the samples [here][v3.0.0-samples-tag].
 
 ## Prerequisites
-* Python 3.6 or later is required to use this package
+* Python 3.7 or later is required to use this package
 * You must have an [Azure subscription][azure_subscription] and an
 [Azure Form Recognizer account][azure_form_recognizer_account] to run these samples.
 

sdk/formrecognizer/azure-ai-formrecognizer/samples/v3.2-beta/advanced_samples/README.md

@@ -3,7 +3,6 @@
 > Note: The samples included in this folder are aimed at providing additional context for processing information for the Form Recognizer library clients. These samples currently show usage with a preview version of the library and may be subject to change during later releases.
 
 These code samples show more advanced scenario operations with the Azure Form Recognizer client library.
-The async versions of the samples require Python 3.6 or later.
 
 All of these samples need the endpoint to your Form Recognizer resource ([instructions on how to get endpoint][get-endpoint-instructions]), and your Form Recognizer API key ([instructions on how to get key][get-key-instructions]).
 

sdk/formrecognizer/azure-ai-formrecognizer/setup.py

@@ -50,7 +50,6 @@
         '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',
@@ -64,7 +63,7 @@
         'azure',
         'azure.ai',
     ]),
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     install_requires=[
         "azure-core<2.0.0,>=1.23.0",
         "msrest>=0.6.21",