Add Python version requirement

Author: codebydivine

README.md

@@ -6,6 +6,10 @@ A clean, intuitive Python client for The Graph Token API with elegant EVM/SVM se
 
 ## Quick Start
 
+### Requirements
+
+- Python 3.13+
+
 ### Installation
 
 ```bash

examples/endpoints/evm/README.md

@@ -37,7 +37,7 @@ python3 examples/endpoints/evm/swaps.py
 ## Requirements
 
 1. **API Key**: Set `THEGRAPH_API_KEY` in your `.env` file
-2. **Python 3.8+** with `anyio` and other dependencies
+2. **Python 3.13+** with `anyio` and other dependencies
 
 ## Usage Pattern
 

examples/endpoints/svm/README.md

@@ -29,7 +29,7 @@ python3 examples/endpoints/svm/swaps.py
 ## Requirements
 
 1. **API Key**: Set `THEGRAPH_API_KEY` in your `.env` file
-2. **Python 3.8+** with `anyio` and other dependencies
+2. **Python 3.13+** with `anyio` and other dependencies
 
 ## Usage Pattern