Update app.py

app.py

@@ -16,7 +16,7 @@ except Exception:
     HAS_TABULATE = False
 
 try:
-    import numpy as np
+    import numpy as np  # noqa: F401
     import pygmt
     HAS_PYGMT = True
 except Exception:
@@ -122,7 +122,7 @@ def parse_ea0015(obj):
             "Lat": _to_float(lat_raw),
             "Lon": _to_float(lon_raw),
             "Depth_km": _to_float(depth),
-            "Magnitude": _to_float(m),
+            "Magnitude": _to_float(mag),  # ← 修正：用 mag，不是 m
             "Location": loc,
             "ReportURL": url,
         })
@@ -145,9 +145,9 @@ def _save_fig_to_tmp(fig, suffix=".png", dpi=180):
 def plot_trend_path(df):
     if df.empty:
         return None
-    m = pd.to_numeric(df["Magnitude"], errors="coerce")
+    mag = pd.to_numeric(df["Magnitude"], errors="coerce")
     fig, ax = plt.subplots(figsize=(6, 4))
-    ax.scatter(df["OriginTime"], m)
+    ax.scatter(df["OriginTime"], mag)
     ax.set_xlabel("Origin Time (Taipei)")
     ax.set_ylabel("Magnitude")
     ax.grid(True, linestyle="--", alpha=0.4)
@@ -177,7 +177,6 @@ def plot_map_path(df):
                 shorelines="0.5p,black", borders="1/0.6p,black",
                 frame=["WSen", "xaf", "yaf"]
             )
-            # 變動大小：使用 sizes 參數（單位 cm），色彩以 depth
             fig.plot(
                 x=d["Lon"].to_list(), y=d["Lat"].to_list(),
                 style="cc", sizes=size_cm.to_list(),
@@ -197,14 +196,15 @@ def plot_map_path(df):
     ax.set_xlim(lon_min, lon_max)
     ax.set_ylim(lat_min, lat_max)
 
-    m = pd.to_numeric(df["Magnitude"], errors="coerce").fillna(0).clip(lower=0)
-    s = (m + 2) ** 3
+    mag = pd.to_numeric(df["Magnitude"], errors="coerce").fillna(0).clip(lower=0)
+    s = (mag + 2) ** 3
     depth = pd.to_numeric(df["Depth_km"], errors="coerce")
 
     sc = ax.scatter(df["Lon"], df["Lat"], s=s, c=depth, alpha=0.85, edgecolor="black")
     cb = plt.colorbar(sc, ax=ax, fraction=0.046, pad=0.04)
     cb.set_label("Depth (km)")
-    ax.set_xlabel("Longitude (°E)"); ax.set_ylabel("Latitude (°N)")
+    ax.set_xlabel("Longitude (°E)")
+    ax.set_ylabel("Latitude (°N)")
     ax.set_title("Epicenters in Taiwan Region (119–123E, 21–26N)")
     ax.grid(True, linestyle="--", alpha=0.3)
     return _save_fig_to_tmp(fig)