fix get picture

utilities.py

@@ -145,11 +145,10 @@ def get_sp_picture(sp_dict_list):
 
         genus_species = get_gspecies_string_from_sp_dict(sp)
 
+        # no picture stored yet for this genus_species
         if genus_species not in sp_picture_dict.keys() \
-            or (genus_species not in sp_picture_dict.keys()
-                and sp_picture_dict[genus_species] != "") \
-            or (constants.ORG_PARAM_DESC_MAIN_SPECIES in sp[constants.ORG_PARAM_DESC].keys()
-                 and sp[constants.ORG_PARAM_DESC][constants.ORG_PARAM_DESC_MAIN_SPECIES] == True ) :
+            or (genus_species in sp_picture_dict.keys()
+                and sp_picture_dict[genus_species] == ""):
 
             if constants.ORG_PARAM_DESC_PICTURE_PATH in sp[constants.ORG_PARAM_DESC].keys() and \
                     sp[constants.ORG_PARAM_DESC][constants.ORG_PARAM_DESC_PICTURE_PATH] != "":
@@ -157,6 +156,14 @@ def get_sp_picture(sp_dict_list):
             else:
                 sp_picture_dict[genus_species] = ""
 
+        # overwrite stored picture if a picture exists for the main strain
+        if (constants.ORG_PARAM_DESC_MAIN_SPECIES in sp[constants.ORG_PARAM_DESC].keys()
+            and sp[constants.ORG_PARAM_DESC][constants.ORG_PARAM_DESC_MAIN_SPECIES] == True )\
+            and (constants.ORG_PARAM_DESC_PICTURE_PATH in sp[constants.ORG_PARAM_DESC].keys()
+                and sp[constants.ORG_PARAM_DESC][constants.ORG_PARAM_DESC_PICTURE_PATH] != ""):
+
+            sp_picture_dict[genus_species] = sp[constants.ORG_PARAM_DESC][constants.ORG_PARAM_DESC_PICTURE_PATH]
+
     return sp_picture_dict
 
 def get_sp_jbrowse_links(org_list):