refactor: Rewrote the creation of graphs on aiohttp

functions/create_chart.py

@@ -0,0 +1,19 @@
+import yaml
+import aiohttp
+
+from http import HTTPStatus
+
+config = yaml.safe_load(open('config.yaml'))
+
+async def create_chart(from_currency: str, conv_currency: str) -> (dict, None):
+    async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=3)) as session:
+        async with session.get(f'{config["kekkai_instance"]}/api/getChart/week/', params={
+            'from_currency': from_currency,
+            'conv_currency': conv_currency
+        }) as res:
+            if not HTTPStatus(res.status).is_success:
+                return None
+            
+            data = await res.json()
+
+            return data.get('message', None)