diff --git a/wwpdb/apps/entity_transform/depict/PrdSummaryDepict.py b/wwpdb/apps/entity_transform/depict/PrdSummaryDepict.py
index 2e9ab1b..796862a 100644
--- a/wwpdb/apps/entity_transform/depict/PrdSummaryDepict.py
+++ b/wwpdb/apps/entity_transform/depict/PrdSummaryDepict.py
@@ -43,6 +43,7 @@ def __init__(self, reqObj=None, summaryCifObj=None, verbose=False, log=sys.stder
         self.__graphmatchResultFlag = False
         self.__combResidueFlag = False
         self.__splitPolymerResidueFlag = False
+        self.__pcmLabelList = []
 
     def DoRenderSummaryPage(self, imageFlag=True):
         """
@@ -97,7 +98,7 @@ def DoRenderSummaryPage(self, imageFlag=True):
             text += '<li><span style="color:orange" class="fltlft">Existing CCD ID without PCM data covalently linked to a polymer residue, or in the polymer sequence</span></li>\n'
         #
         if "3" in self.__pcmLabelList:
-            text += '<li><span style="color:red" class="fltlft">CCD ID that should be not used as PCM/PTM observed  covalently linked to a polymer residue, or in the polymer sequence</span></li>\n'
+            text += '<li><span style="color:red" class="fltlft">CCD ID that should be not used as PCM/PTM observed  covalently linked to a polymer residue, or in the polymer sequence</span></li>\n'  # noqa: E501
         #
         text += '</ul>\n'
         #
diff --git a/wwpdb/apps/entity_transform/depict/ProcessPrdSummary.py b/wwpdb/apps/entity_transform/depict/ProcessPrdSummary.py
index e7c0d3b..40a00a7 100644
--- a/wwpdb/apps/entity_transform/depict/ProcessPrdSummary.py
+++ b/wwpdb/apps/entity_transform/depict/ProcessPrdSummary.py
@@ -77,7 +77,7 @@ def run(self, imageFlag=True):
         if imageFlag:
             self.__generateImage()
         #
-        val = self.__cifObj.getPcmLabel() 
+        val = self.__cifObj.getPcmLabel()
         if val:
             self.__pcmLabelList = val.split(",")
         #