# AttributeError: 'Clade' object has no attribute 'fc'

**URL:** <https://forum.biobakery.org/t/attributeerror-clade-object-has-no-attribute-fc/6390>\
**Category:** GraPhlAn\
**Created:** [January 2, 2024, 8:21pm UTC](https://forum.biobakery.org/t/attributeerror-clade-object-has-no-attribute-fc/6390 "2024-01-02T20:21:20Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![burdungy](https://avatars.discourse-cdn.com/v4/letter/b/4af34b/32.png) [@burdungy](https://forum.biobakery.org/u/burdungy)\
**Post date:** [January 2, 2024, 8:21pm UTC](https://forum.biobakery.org/t/attributeerror-clade-object-has-no-attribute-fc/6390/1 "2024-01-02T20:21:20Z")

</div>

When I try to visualize my phylogenetic tree with annotation file, I got this error. Did anyone encounter before?  
Traceback (most recent call last):  
File “/mnt/rstor/CSE\_CSDS\_VXC204/rxl761/miniconda/envs/graphlan/bin/graphlan.py”, line 79, in   
reorder\_tree=args[‘avoid\_reordering’])  
File “/mnt/rstor/CSE\_CSDS\_VXC204/rxl761/miniconda/envs/graphlan/bin/graphlan\_lib.py”, line 947, in draw  
self.set\_wings()  
File “/mnt/rstor/CSE\_CSDS\_VXC204/rxl761/miniconda/envs/graphlan/bin/graphlan\_lib.py”, line 855, in set\_wings  
set\_wings\_rec( self.tree.root )  
File “/mnt/rstor/CSE\_CSDS\_VXC204/rxl761/miniconda/envs/graphlan/bin/graphlan\_lib.py”, line 775, in set\_wings\_rec  
f, t = clade.fc.theta, clade.fc.pc.theta if clade.fc.pc else clade.fc.nc.theta  
AttributeError: ‘Clade’ object has no attribute ‘fc’