wykres z gap

app.py

@@ -205,6 +205,7 @@ def get_timeseries(phase_id):
             datetime.fromisoformat(end_param.replace("Z", "+00:00"))
         except Exception:
             return api_error(400, "bad_datetime", "start/end must be ISO 8601")
+
         time_filter = f"time >= '{start_param}' AND time <= '{end_param}'"
         interval = config.DEFAULT_INTERVAL
     else:
@@ -213,6 +214,7 @@ def get_timeseries(phase_id):
             parse_range(clean_range)
         except Exception:
             return api_error(400, "bad_range", "range must be like 24h or 7d")
+
         time_filter = f"time > now() - {clean_range}"
         interval = config.TIME_RANGES.get(range_param, {}).get("interval", config.DEFAULT_INTERVAL)
 
@@ -221,17 +223,21 @@ def get_timeseries(phase_id):
         FROM "{config.MEASUREMENT}"
         WHERE "entity_id" = '{entity_id}'
         AND {time_filter}
-        GROUP BY time({interval}) fill(none)
+        GROUP BY time({interval}) fill(null)
     '''
 
     client = get_influx_client()
     try:
         result = client.query(query)
-        data = [
-            {"time": p["time"], "voltage": round(p["voltage"], 2)}
-            for p in result.get_points()
-            if p.get("voltage") is not None
-        ]
+        data = []
+        for p in result.get_points():
+            v = p.get("voltage")
+            data.append(
+                {
+                    "time": p["time"],
+                    "voltage": (round(float(v), 2) if v is not None else None),
+                }
+            )
         return jsonify(data)
     except Exception as e:
         app.logger.error(f"Timeseries Error: {e} | Query: {query}")