Title
Environment
- Python Version 3.13.2
- kiota-abstractions version: 1.9.3
- OS: Windows 11 24H2
Describe the bug
The form serialization writer adds a = character at the beginning of the content request when a object is serialized.
To Reproduce
Steps to reproduce the behavior:
Download this project. based on the quickstart page. The YML file is slightly modified to use application/x-www-form-urlencoded. The post() method of PostsRequestBuilder class is modified to print the request content.
Create a virtual environment, type pip install -e . and run the main.py file.
Expected behavior
The content request should be start with body=... instead of =body=...
Screenshots

Title
Environment
Describe the bug
The form serialization writer adds a
=character at the beginning of the content request when a object is serialized.To Reproduce
Steps to reproduce the behavior:
Download this project. based on the quickstart page. The YML file is slightly modified to use
application/x-www-form-urlencoded. Thepost()method of PostsRequestBuilder class is modified to print the request content.Create a virtual environment, type
pip install -e .and run the main.py file.Expected behavior
The content request should be start with
body=...instead of=body=...Screenshots