Fix pycodestyle errors

Signed-off-by: Manojkiran Eda <manojkiran.eda@gmail.com>
Change-Id: If9e9fc799062c207e74afdf07f018f325fb5a373
diff --git a/tools/visualize-pdr/pldm_visualise_pdrs.py b/tools/visualize-pdr/pldm_visualise_pdrs.py
index 361f433..70e7a2b 100755
--- a/tools/visualize-pdr/pldm_visualise_pdrs.py
+++ b/tools/visualize-pdr/pldm_visualise_pdrs.py
@@ -187,9 +187,9 @@
             dot.node(hashlib.md5((childnode + cid)
                                  .encode()).hexdigest(), childnode)
 
-            if[hashlib.md5((parentnode +
+            if [hashlib.md5((parentnode +
                             str(value["containerEntityContainerID"]))
-                           .encode()).hexdigest(),
+                            .encode()).hexdigest(),
                hashlib.md5((childnode + cid)
                            .encode()).hexdigest()] not in edge_list:
                 edge_list.append([hashlib.md5((parentnode +