Update app.py

app.py

@@ -185,9 +185,10 @@ def generate_report(buf: bytes, name: str, ctx: str, key: str):
         "columns": list(df.columns),
         "user_ctx": ctx or "General business analysis",
         "full_dataframe": df.to_dict('records'),
-        "data_types": df.dtypes.to_dict(),
-        "missing_values": df.isnull().sum().to_dict(),
-        "numeric_summary": df.describe().to_dict() if len(df.select_dtypes(include=['number']).columns) > 0 else {}
+        "data_types": {col: str(dtype) for col, dtype in df.dtypes.to_dict().items()},
+        "missing_values": {col: int(count) for col, count in df.isnull().sum().to_dict().items()},
+        "numeric_summary": {col: {stat: float(val) for stat, val in stats.items()} 
+                           for col, stats in df.describe().to_dict().items()} if len(df.select_dtypes(include=['number']).columns) > 0 else {}
     }
     
     cols = ", ".join(ctx_dict["columns"][:6])
@@ -292,6 +293,7 @@ def generate_report(buf: bytes, name: str, ctx: str, key: str):
     }
 
 
+
 # ─── ANIMATION HELPERS ─────────────────────────────────────────────────────
 def animate_image_fade(img_cv2: np.ndarray, dur: float, out: Path, fps: int = FPS) -> str:
     frames = max(int(dur * fps), fps)
@@ -504,8 +506,9 @@ def generate_video(buf: bytes, name: str, ctx: str, key: str):
         "columns": list(df.columns),
         "user_ctx": ctx or "General business analysis",
         "full_dataframe": df.to_dict('records'),
-        "data_types": df.dtypes.to_dict(),
-        "numeric_summary": df.describe().to_dict() if len(df.select_dtypes(include=['number']).columns) > 0 else {}
+        "data_types": {col: str(dtype) for col, dtype in df.dtypes.to_dict().items()},
+        "numeric_summary": {col: {stat: float(val) for stat, val in stats.items()} 
+                           for col, stats in df.describe().to_dict().items()} if len(df.select_dtypes(include=['number']).columns) > 0 else {}
     }
     
     script = llm.invoke(build_story_prompt(ctx_dict)).content