diff --git a/modules/openapi-generator/src/main/resources/python-nextgen/api_client.mustache b/modules/openapi-generator/src/main/resources/python-nextgen/api_client.mustache
index 913e13e1f01b..dc548d506a15 100644
--- a/modules/openapi-generator/src/main/resources/python-nextgen/api_client.mustache
+++ b/modules/openapi-generator/src/main/resources/python-nextgen/api_client.mustache
@@ -549,7 +549,7 @@ class ApiClient(object):
                 v = str(v)
             if isinstance(v, bool):
                 v = str(v).lower()
-                
+
             if k in collection_formats:
                 collection_format = collection_formats[k]
                 if collection_format == 'multi':
diff --git a/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/fake_api.py b/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/fake_api.py
index 58bd69612b8f..11fdde834715 100644
--- a/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/fake_api.py
+++ b/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/fake_api.py
@@ -1678,7 +1678,7 @@ def test_client_model_with_http_info(self, client : Annotated[Client, Field(...,
             _request_auth=_params.get('_request_auth'))
 
     @validate_arguments
-    def test_endpoint_parameters(self, number : Annotated[confloat(strict=True, ge=543.2, le=32.1), Field(..., description="None")], double : Annotated[confloat(strict=True, ge=123.4, le=67.8), Field(..., description="None")], pattern_without_delimiter : Annotated[constr(strict=True), Field(..., description="None")], byte : Annotated[StrictStr, Field(..., description="None")], integer : Annotated[Optional[conint(strict=True, ge=100, le=10)], Field(description="None")] = None, int32 : Annotated[Optional[conint(strict=True, ge=200, le=20)], Field(description="None")] = None, int64 : Annotated[Optional[StrictInt], Field(description="None")] = None, float : Annotated[Optional[confloat(strict=True, ge=987.6)], Field(description="None")] = None, string : Annotated[Optional[constr(strict=True)], Field(description="None")] = None, binary : Annotated[Optional[StrictStr], Field(description="None")] = None, var_date : Annotated[Optional[date], Field(description="None")] = None, date_time : Annotated[Optional[datetime], Field(description="None")] = None, password : Annotated[Optional[constr(strict=True, max_length=64, min_length=10)], Field(description="None")] = None, param_callback : Annotated[Optional[StrictStr], Field(description="None")] = None, **kwargs) -> None:  # noqa: E501
+    def test_endpoint_parameters(self, number : Annotated[confloat(strict=True, ge=543.2, le=32.1), Field(..., description="None")], double : Annotated[confloat(strict=True, ge=123.4, le=67.8), Field(..., description="None")], pattern_without_delimiter : Annotated[constr(strict=True), Field(..., description="None")], byte : Annotated[StrictStr, Field(..., description="None")], integer : Annotated[Optional[conint(strict=True, le=100, ge=10)], Field(description="None")] = None, int32 : Annotated[Optional[conint(strict=True, le=200, ge=20)], Field(description="None")] = None, int64 : Annotated[Optional[StrictInt], Field(description="None")] = None, float : Annotated[Optional[confloat(strict=True, ge=987.6)], Field(description="None")] = None, string : Annotated[Optional[constr(strict=True)], Field(description="None")] = None, binary : Annotated[Optional[StrictStr], Field(description="None")] = None, var_date : Annotated[Optional[date], Field(description="None")] = None, date_time : Annotated[Optional[datetime], Field(description="None")] = None, password : Annotated[Optional[constr(strict=True, max_length=64, min_length=10)], Field(description="None")] = None, param_callback : Annotated[Optional[StrictStr], Field(description="None")] = None, **kwargs) -> None:  # noqa: E501
         """Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트   # noqa: E501
 
         Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트   # noqa: E501
@@ -1735,7 +1735,7 @@ def test_endpoint_parameters(self, number : Annotated[confloat(strict=True, ge=5
         return self.test_endpoint_parameters_with_http_info(number, double, pattern_without_delimiter, byte, integer, int32, int64, float, string, binary, var_date, date_time, password, param_callback, **kwargs)  # noqa: E501
 
     @validate_arguments
-    def test_endpoint_parameters_with_http_info(self, number : Annotated[confloat(strict=True, ge=543.2, le=32.1), Field(..., description="None")], double : Annotated[confloat(strict=True, ge=123.4, le=67.8), Field(..., description="None")], pattern_without_delimiter : Annotated[constr(strict=True), Field(..., description="None")], byte : Annotated[StrictStr, Field(..., description="None")], integer : Annotated[Optional[conint(strict=True, ge=100, le=10)], Field(description="None")] = None, int32 : Annotated[Optional[conint(strict=True, ge=200, le=20)], Field(description="None")] = None, int64 : Annotated[Optional[StrictInt], Field(description="None")] = None, float : Annotated[Optional[confloat(strict=True, ge=987.6)], Field(description="None")] = None, string : Annotated[Optional[constr(strict=True)], Field(description="None")] = None, binary : Annotated[Optional[StrictStr], Field(description="None")] = None, var_date : Annotated[Optional[date], Field(description="None")] = None, date_time : Annotated[Optional[datetime], Field(description="None")] = None, password : Annotated[Optional[constr(strict=True, max_length=64, min_length=10)], Field(description="None")] = None, param_callback : Annotated[Optional[StrictStr], Field(description="None")] = None, **kwargs):  # noqa: E501
+    def test_endpoint_parameters_with_http_info(self, number : Annotated[confloat(strict=True, ge=543.2, le=32.1), Field(..., description="None")], double : Annotated[confloat(strict=True, ge=123.4, le=67.8), Field(..., description="None")], pattern_without_delimiter : Annotated[constr(strict=True), Field(..., description="None")], byte : Annotated[StrictStr, Field(..., description="None")], integer : Annotated[Optional[conint(strict=True, le=100, ge=10)], Field(description="None")] = None, int32 : Annotated[Optional[conint(strict=True, le=200, ge=20)], Field(description="None")] = None, int64 : Annotated[Optional[StrictInt], Field(description="None")] = None, float : Annotated[Optional[confloat(strict=True, ge=987.6)], Field(description="None")] = None, string : Annotated[Optional[constr(strict=True)], Field(description="None")] = None, binary : Annotated[Optional[StrictStr], Field(description="None")] = None, var_date : Annotated[Optional[date], Field(description="None")] = None, date_time : Annotated[Optional[datetime], Field(description="None")] = None, password : Annotated[Optional[constr(strict=True, max_length=64, min_length=10)], Field(description="None")] = None, param_callback : Annotated[Optional[StrictStr], Field(description="None")] = None, **kwargs):  # noqa: E501
         """Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트   # noqa: E501
 
         Fake endpoint for testing various parameters 假端點 偽のエンドポイント 가짜 엔드 포인트   # noqa: E501
diff --git a/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/store_api.py b/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/store_api.py
index 03a16e515ffa..5b592174c704 100644
--- a/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/store_api.py
+++ b/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api/store_api.py
@@ -316,7 +316,7 @@ def get_inventory_with_http_info(self, **kwargs):  # noqa: E501
             _request_auth=_params.get('_request_auth'))
 
     @validate_arguments
-    def get_order_by_id(self, order_id : Annotated[conint(strict=True, ge=5, le=1), Field(..., description="ID of pet that needs to be fetched")], **kwargs) -> Order:  # noqa: E501
+    def get_order_by_id(self, order_id : Annotated[conint(strict=True, le=5, ge=1), Field(..., description="ID of pet that needs to be fetched")], **kwargs) -> Order:  # noqa: E501
         """Find purchase order by ID  # noqa: E501
 
         For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions  # noqa: E501
@@ -347,7 +347,7 @@ def get_order_by_id(self, order_id : Annotated[conint(strict=True, ge=5, le=1),
         return self.get_order_by_id_with_http_info(order_id, **kwargs)  # noqa: E501
 
     @validate_arguments
-    def get_order_by_id_with_http_info(self, order_id : Annotated[conint(strict=True, ge=5, le=1), Field(..., description="ID of pet that needs to be fetched")], **kwargs):  # noqa: E501
+    def get_order_by_id_with_http_info(self, order_id : Annotated[conint(strict=True, le=5, ge=1), Field(..., description="ID of pet that needs to be fetched")], **kwargs):  # noqa: E501
         """Find purchase order by ID  # noqa: E501
 
         For valid response try integer IDs with value <= 5 or > 10. Other values will generated exceptions  # noqa: E501
diff --git a/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api_client.py b/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api_client.py
index aaec79362f7d..52577d0c817c 100644
--- a/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api_client.py
+++ b/samples/openapi3/client/petstore/python-nextgen-aiohttp/petstore_api/api_client.py
@@ -522,6 +522,11 @@ def parameters_to_url_query(self, params, collection_formats):
         if collection_formats is None:
             collection_formats = {}
         for k, v in params.items() if isinstance(params, dict) else params:  # noqa: E501
+            if isinstance(v, (int, float)):
+                v = str(v)
+            if isinstance(v, bool):
+                v = str(v).lower()
+
             if k in collection_formats:
                 collection_format = collection_formats[k]
                 if collection_format == 'multi':
diff --git a/samples/openapi3/client/petstore/python-nextgen/petstore_api/api_client.py b/samples/openapi3/client/petstore/python-nextgen/petstore_api/api_client.py
index a082f17b3ff4..a3b04e67d05c 100755
--- a/samples/openapi3/client/petstore/python-nextgen/petstore_api/api_client.py
+++ b/samples/openapi3/client/petstore/python-nextgen/petstore_api/api_client.py
@@ -525,7 +525,7 @@ def parameters_to_url_query(self, params, collection_formats):
                 v = str(v)
             if isinstance(v, bool):
                 v = str(v).lower()
-                
+
             if k in collection_formats:
                 collection_format = collection_formats[k]
                 if collection_format == 'multi':