clarify comment

Author: parthea

gapic/templates/setup.py.j2

@@ -42,7 +42,7 @@ dependencies = [
     {# Explicitly exclude protobuf versions mentioned in https://cloud.google.com/support/bulletins#GCP-2022-019 #}
     "protobuf>=3.20.2,<7.0.0,!=4.21.0,!=4.21.1,!=4.21.2,!=4.21.3,!=4.21.4,!=4.21.5",
     {% for package_tuple, package_info in pypi_packages.items() %}
-    {# Quick check to make sure `package_info.package_name` is not the package being generated. #}
+    {# Quick check to make sure `package_info.package_name` is not the package being generated so we don't circularly include this package in its own constraints file. #}
     {% if api.naming.warehouse_package_name != package_info.package_name %}
     {% if api.requires_package(package_tuple) %}
     "{{ package_info.package_name }} >= {{ package_info.lower_bound }}, <{{ package_info.upper_bound }}",

gapic/templates/testing/_default_constraints.j2

@@ -5,7 +5,7 @@ google-api-core
 proto-plus
 protobuf
 {% for package_tuple, package_info in pypi_packages.items() %}
-{# Quick check to make sure `package_info.package_name` is not the package being generated. #}
+{# Quick check to make sure `package_info.package_name` is not the package being generated so we don't circularly include this package in its own constraints file. #}
 {% if api.naming.warehouse_package_name != package_info.package_name %}
 {% if api.requires_package(package_tuple) %}
 {{ package_info.package_name }}

gapic/templates/testing/constraints-3.13.txt.j2

@@ -10,7 +10,7 @@ google-auth>=2
 proto-plus>=1
 protobuf>=6
 {% for package_tuple, package_info in pypi_packages.items() %}
-{# Quick check to make sure `package_info.package_name` is not the package being generated. #}
+{# Quick check to make sure `package_info.package_name` is not the package being generated so we don't circularly include this package in its own constraints file. #}
 {% if api.naming.warehouse_package_name != package_info.package_name %}
 {% if api.requires_package(package_tuple) %}
 {{ package_info.package_name }}>={{ (package_info.upper_bound.split(".")[0] | int) - 1 }}

gapic/templates/testing/constraints-3.7.txt.j2

@@ -10,7 +10,7 @@ google-auth==2.14.1
 proto-plus==1.22.3
 protobuf==3.20.2
 {% for package_tuple, package_info in pypi_packages.items() %}
-{# Quick check to make sure `package_info.package_name` is not the package being generated. #}
+{# Quick check to make sure `package_info.package_name` is not the package being generated so we don't circularly include this package in its own constraints file. #}
 {% if api.naming.warehouse_package_name != package_info.package_name %}
 {% if api.requires_package(package_tuple) %}
 {{ package_info.package_name }}=={{ package_info.lower_bound }}