More defensive coding

providers/callsigndata/qrz.py

@@ -129,6 +129,13 @@ class QRZ(APIQueryCallsignDataProvider):
     def qrz_response_to_callsign(callsign, data):
         """Convert the "Callsign" block in QRZ's API response to our own Callsign object."""
 
+        # I have encountered a user passing multiple callsigns to the QRZ lookup function in a way that QRZ actually
+        # does handle, and returns a list of callsign data. If we encounter that, just take the first one, as our own
+        # functions can't deal with multiple calls this way.
+        if isinstance(data, list):
+            data = data[0]
+            callsign = data["call"]
+
         # Get a name
         name = None
         if "name_fmt" in data:

providers/spot/wota.py

@@ -61,10 +61,11 @@ class WOTA(HTTPSpotProvider):
                 try:
                     desc_split = source_spot.description.split(". ")
                     freq_mode = desc_split[0].replace("Frequencies/modes:", "").strip()
-                    freq_mode_split = re.split(r"[\-\s]+", freq_mode)
-                    freq_hz = float(freq_mode_split[0].replace("'", ".")) * 1000000
-                    if len(freq_mode_split) > 1:
-                        mode = freq_mode_split[1].upper()
+                    if freq_mode and freq_mode != "-":
+                        freq_mode_split = re.split(r"[\-\s]+", freq_mode)
+                        freq_hz = float(freq_mode_split[0].replace("'", ".")) * 1000000
+                        if len(freq_mode_split) > 1:
+                            mode = freq_mode_split[1].upper()
 
                     if len(desc_split) > 1:
                         comment = desc_split[1].strip()