diff --git a/waveform/wrapper_tphm_parity/parity_TPHM.py b/waveform/wrapper_tphm_parity/parity_TPHM.py
index 1abcdeed92693f6245da1ed566e97e85fe5d4b3d..c3640d5b9a331ab19cd0628eee9f27aea2754d66 100644
--- a/waveform/wrapper_tphm_parity/parity_TPHM.py
+++ b/waveform/wrapper_tphm_parity/parity_TPHM.py
@@ -14,10 +14,10 @@ def gen(**kwds):
     return hp_parity, hc_parity
 
 def imrphenomtphm_length_in_time(**kwargs):
-	from pycbc.waveform import waveform
-	"""Estimates the duration of IMRPhenom waveforms that include higher modes.
-	"""
-	# Default maximum node number for IMRPhenomHM is 4
-	# However, the maximum mode number for IMRPhenomTPHM is 5
-	# The relevant lower order approximant here is IMRPhenomD
-	return waveform.get_hm_length_in_time("IMRPhenomD", 5, **kwargs)
\ No newline at end of file
+    from pycbc.waveform import waveform
+    """Estimates the duration of IMRPhenom waveforms that include higher modes.
+    """
+    # Default maximum node number for IMRPhenomHM is 4
+    # However, the maximum mode number for IMRPhenomTPHM is 5
+    # The relevant lower order approximant here is IMRPhenomD
+    return waveform.get_hm_length_in_time("IMRPhenomD", 5, **kwargs)
\ No newline at end of file