diff --git a/.github/workflows/codacy-analysis.yml b/.github/workflows/codacy-analysis.yml
index e408a6f2..546b2958 100644
--- a/.github/workflows/codacy-analysis.yml
+++ b/.github/workflows/codacy-analysis.yml
@@ -16,15 +16,16 @@ name: Codacy Security Scan
 on:
   schedule:
     - cron: '59 11 27 * *'
-  # push:
-  #   branches: [ "master" ]
-  # pull_request:
-  #   # The branches below must be a subset of the branches above
-  #   branches: [ "master" ]
-  workflow_run:
-    workflows: [Test Changes]
-    types:
-      - completed
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+    types: [opened, reopened, synchronize, ready_for_review]
+  # workflow_run:
+  #   workflows: [Test Changes]
+  #   types:
+  #     - completed
+  workflow_call:
   workflow_dispatch:
     inputs:
       logLevel:
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index bc425d95..090b900f 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -14,14 +14,16 @@ name: "CodeQL"
 on:
   schedule:
     - cron: '59 10 27 * *'
-  # push:
-  #   branches: [ "master" ]
-  # pull_request:
-  #   branches: [ "master" ]
-  workflow_run:
-    workflows: [Test Changes]
-    types:
-      - completed
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+    types: [opened, reopened, synchronize, ready_for_review]
+# workflow_run:
+  #   workflows: [Test Changes]
+  #   types:
+  #     - completed
+  workflow_call:
   workflow_dispatch:
     inputs:
       logLevel:
diff --git a/.github/workflows/test-changes.yml b/.github/workflows/test-changes.yml
index 01439065..2a3bfa82 100644
--- a/.github/workflows/test-changes.yml
+++ b/.github/workflows/test-changes.yml
@@ -7,7 +7,8 @@ on:
   push:
     branches: [ "master" ]
   pull_request:
-    types: [opened, reopened, synchronize, ready_for_review]  # labeled
+    branches: [ "master" ]
+    types: [opened, reopened, synchronize, ready_for_review]
   workflow_dispatch:
     inputs:
       logLevel:
@@ -19,14 +20,6 @@ on:
         - info
         - warning
         - debug
-      # tags:
-      #   description: 'Test scenario tags'
-      #   required: false
-      #   type: boolean
-      # environment:
-      #   description: 'Environment to run tests against'
-      #   type: environment
-      #   required: true
 
 jobs:
   run-guard:
@@ -208,3 +201,25 @@ jobs:
         run: |
           cd docs
           sphinx-build -W -b singlehtml -d ../build/doctrees . ../build/singlehtml
+
+  # TODO: 1 configuration not found: https://docs.github.com/en/actions/using-workflows/reusing-workflows#overview
+  # call-workflow-codeql:
+  #   needs: test-source-code
+  #   uses: ./.github/workflows/codeql-analysis.yml
+  #   permissions:
+  #     actions: read
+  #     contents: read
+  #     pull-requests: write
+  #     security-events: write
+  #   secrets: inherit # pass all secrets
+
+  # call-workflow-codacity:
+  #   needs: test-source-code
+  #   uses: ./.github/workflows/codacy-analysis.yml
+  #   permissions:
+  #     actions: read
+  #     contents: read
+  #     pull-requests: write
+  #     security-events: write
+  #   secrets: inherit # pass all secrets
+
diff --git a/examples/notes/issue_219.py b/examples/notes/issue_219.py
index 48b94f4a..4b612160 100644
--- a/examples/notes/issue_219.py
+++ b/examples/notes/issue_219.py
@@ -11,21 +11,20 @@
 
 # <codecell>
 
-import sys
-sys.path.insert(0, '../src')
-import petl; print petl.VERSION
-from petl.fluent import etl
-import psycopg2
 import MySQLdb
+import psycopg2
 
-# <codecell>
+import petl
+from petl.fluent import etl
 
+# <codecell>
+print(petl.VERSION)
 tbl_dummy_data = etl().dummytable(100000)
 tbl_dummy_data.look()
 
 # <codecell>
 
-print tbl_dummy_data.nrows()
+print(tbl_dummy_data.nrows())
 
 # <headingcell level=2>
 
@@ -48,12 +47,12 @@
 # <codecell>
 
 # memory usage using default cursor
-print etl.fromdb(psql_connection, 'select * from issue_219 order by foo').look(2)
+print(etl.fromdb(psql_connection, 'select * from issue_219 order by foo').look(2))
 
 # <codecell>
 
 # memory usage using server-side cursor
-print etl.fromdb(lambda: psql_connection.cursor(name='server-side'), 'select * from issue_219 order by foo').look(2)
+print(etl.fromdb(lambda: psql_connection.cursor(name='server-side'), 'select * from issue_219 order by foo').look(2))
 
 # <headingcell level=2>
 
@@ -77,10 +76,10 @@
 # <codecell>
 
 # memory usage with default cursor
-print etl.fromdb(mysql_connection, 'select * from issue_219 order by foo').look(2)
+print(etl.fromdb(mysql_connection, 'select * from issue_219 order by foo').look(2))
 
 # <codecell>
 
 # memory usage with server-side cursor
-print etl.fromdb(lambda: mysql_connection.cursor(MySQLdb.cursors.SSCursor), 'select * from issue_219 order by foo').look(2)
+print(etl.fromdb(lambda: mysql_connection.cursor(MySQLdb.cursors.SSCursor), 'select * from issue_219 order by foo').look(2))