Revert "Fix problem with detecting data type"

This reverts commit 41a9988b.

sohstationviewer/controller/processing.py

@@ -268,6 +268,10 @@ def get_data_type_from_file(
                             'VP', 'VL', 'VL', 'VH',
                             'UN', 'UP', 'UL', 'UH']
 
+    if any(x in path2file.name for x in wf_chan_posibilities):
+        # Skip checking waveform files which aren't signature channels
+        return None, False
+
     file = open(path2file, 'rb')
     chans_in_stream = set()
     data_type = None
@@ -286,9 +290,6 @@ def get_data_type_from_file(
             return
 
         chan = record.record_metadata.channel
-        if any([wf_pattern in chan for wf_pattern in wf_chan_posibilities]):
-            # Skip checking waveform files which aren't signature channels
-            return None, False
         if is_multiplex is None:
             chans_in_stream.add(chan)
             if len(chans_in_stream) > 1: