formatted JSON structure

app.py

@@ -5,6 +5,7 @@ import pytz
 import yaml
 from tools.final_answer import FinalAnswerTool
 import urllib.parse
+import json
 
 from Gradio_UI import GradioUI
 
@@ -34,10 +35,8 @@ def reverse_and_repeat(text: str, repeat: int) -> str:
 @tool
 def create_quickchart_graph(equations: list[str]) -> str:
     """Creates a QuickChart.io graph link for up to two mathematical equations.
-
     Args:
         equations: A list containing up to two mathematical equations as strings (e.g., ['y = x^2', 'y = sin(x)']).
-
     Returns:
         A URL string to the QuickChart.io graph displaying the given equations, or an error message if more than two equations are provided.
     """
@@ -48,24 +47,32 @@ def create_quickchart_graph(equations: list[str]) -> str:
     colors = ["blue", "red"]
 
     for idx, equation in enumerate(equations):
-        function_part = equation.split('=')[1].strip()
-        datasets.append({
-            "fn": function_part,
-            "label": equation,
-            "borderColor": colors[idx]
-        })
+        if '=' in equation:
+            function_part = equation.split('=')[1].strip()
+            datasets.append({
+                "fn": function_part,
+                "graphType": "function",
+                "label": equation,
+                "borderColor": colors[idx],
+                "fill": False
+            })
 
     chart_config = {
-        "type": "line",
+        "type": "functionPlot",
         "data": {"datasets": datasets},
         "options": {
+            "title": {
+                "display": True,
+                "text": "Function Graph"
+            },
             "scales": {
-                "xAxes": [{"type": "linear", "position": "bottom"}]
+                "xAxes": [{"type": "linear", "position": "bottom", "ticks": {"min": -10, "max": 10}}],
+                "yAxes": [{"ticks": {"min": -10, "max": 10}}]
             }
         }
     }
 
-    encoded_chart = urllib.parse.quote(str(chart_config))
+    encoded_chart = urllib.parse.quote(json.dumps(chart_config))
     url = f"https://quickchart.io/chart?c={encoded_chart}"
 
     return f"Here is your QuickChart.io graph: {url}"