chore: add prerelease nox session (#281)

* chore(python): add missing import for prerelease testing

Source-Link: googleapis/synthtool@d2871d9
Post-Processor: gcr.io/cloud-devrel-public-resources/owlbot-python:latest@sha256:b2dc5f80edcf5d4486c39068c9fa11f7f851d9568eea4dcba130f994ea9b5e97

* check samples failure

* 🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

* lint

* check samples failure

* add 30 seconds to request timestamp

Co-authored-by: Owl Bot <gcf-owl-bot[bot]@users.noreply.github.com>
Co-authored-by: Anthonios Partheniou <partheniou@google.com>

generated_samples/interactive-tutorials/product/add_fulfillment_places.py

@@ -32,9 +32,6 @@
     + product_id
 )
 
-# The request timestamp
-current_date = datetime.datetime.now()
-
 
 # add fulfillment request
 def get_add_fulfillment_request(
@@ -70,6 +67,9 @@ def add_fulfillment_places(product_name: str, timestamp, place_id):
 
 
 create_product(product_id)
+
+# The request timestamp
+current_date = datetime.datetime.now() + datetime.timedelta(seconds=30)
 print(f"------add fulfilment places with current date: {current_date}-----")
 add_fulfillment_places(product_name, current_date, "store2")
 get_product(product_name)

generated_samples/interactive-tutorials/product/set_inventory.py

@@ -64,7 +64,7 @@ def get_product_with_inventory_info(product_name: str) -> Product:
 # set inventory request
 def get_set_inventory_request(product_name: str) -> SetInventoryRequest:
     # The request timestamp
-    request_time = datetime.datetime.now()
+    request_time = datetime.datetime.now() + datetime.timedelta(seconds=30)
     set_mask = FieldMask(
         paths=["price_info", "availability", "fulfillment_info", "available_quantity"]
     )