fixed issue

Author: GvozdevLeonid

python_bladerf/pybladerf_tools/pybladerf_transfer.pyx

@@ -298,6 +298,11 @@ cpdef void pybladerf_transfer(frequency: int = None, sample_rate: int = 10_000_0
     else:
         frequency = DEFAULT_FREQUENCY
 
+    if oversample:
+        if print_to_console:
+            sys.stderr.write(f'call pybladerf_enable_feature({pybladerf.pybladerf_feature.PYBLADERF_FEATURE_OVERSAMPLE}, True)\n')
+            device.pybladerf_enable_feature(pybladerf.pybladerf_feature.PYBLADERF_FEATURE_OVERSAMPLE, True)
+
     if print_to_console:
         sys.stderr.write(f'call pybladerf_set_sample_rate({sample_rate / 1e6 :.3f} MHz)\n')
     if oversample: