file write fixed

app.py

@@ -58,7 +58,6 @@ class CSVLogger(PacketLogger):
                                       "DoA", "Confidence", "Power", "Serial",
                                       "Radio Bearing",
                                       "Compass Offset"]) + self.BREAK_LINE)
-                self.file.save()
 
     @staticmethod
     def serialize_data(data: Any) -> str:
@@ -72,7 +71,12 @@ class CSVLogger(PacketLogger):
         """ Try write """
         if self.file is None:
             self.file = open(self.file_path, "a+")
+        for _ in range(50):
+            try:
                 self.file.write(data)
+                break
+            except IOError:
+                pass
 
         self.records += 1
         if self.records % 50 == 0: