diff --git a/scripts/.pylintrc b/scripts/.pylintrc
index 428a9e556e903ef115d06feb9b166d49c527b51c..66ddb84e4f2003e4193cb53eabd99d57a6106aed 100644
--- a/scripts/.pylintrc
+++ b/scripts/.pylintrc
@@ -60,6 +60,15 @@ confidence=
 # --enable=similarities". If you want to run only the classes checker, but have
 # no Warning level messages displayed, use "--disable=all --enable=classes
 # --disable=W".
+#
+# NOTE about C0330:
+# Ignoring pylint's C0330 "Wrong hanging indentation before block" error
+# here because it erronously reports indentation issues, and conflicts with
+# the black tool. See this issue on the black gitHub
+# page: https://github.com/psf/black/issues/48, and this issue on pylints
+# GitHub page referenced by the first issue:
+# https://github.com/PyCQA/pylint/issues/289
+
 disable=print-statement,
         parameter-unpacking,
         unpacking-in-except,
@@ -142,7 +151,8 @@ disable=print-statement,
         E0611,
         I1101,
         E1101,
-        R0901
+        R0901,
+        C0330
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option
diff --git a/soitool/codebook.py b/soitool/codebook.py
index ef80ce72731baf21dbfac1f1caaa9cbf6d640203..bdc0725d0c7f989bbe780a2357b854e69dc8a3bf 100644
--- a/soitool/codebook.py
+++ b/soitool/codebook.py
@@ -10,8 +10,8 @@ from soitool.database import DBPATH  # , Database
 from soitool.style import CODEBOOK_HEADER_FONT, CODEBOOK_HEADER_BACKGROUND_CSS
 
 # Name and type of database
-CONNAME = 'SOIDB'
-DBTYPE = 'QSQLITE'
+CONNAME = "SOIDB"
+DBTYPE = "QSQLITE"
 
 
 class CodeBookTableView(QTableView):
@@ -30,7 +30,7 @@ class CodeBookTableView(QTableView):
         db.setDatabaseName(DBPATH)
 
         if not db.open():
-            raise RuntimeError('Could not open database.')
+            raise RuntimeError("Could not open database.")
 
         # Enable sorting and sort by column 'Word'
         self.setSortingEnabled(True)
@@ -101,7 +101,7 @@ class CodeBookTableModel(QSqlTableModel):
     def __init__(self):
         super().__init__(None, QSqlDatabase.database(CONNAME))
         self.setEditStrategy(QSqlTableModel.OnFieldChange)
-        self.setTable('CodeBook')
+        self.setTable("CodeBook")
         self.setSort(0, Qt.AscendingOrder)
         self.select()
 
@@ -142,10 +142,10 @@ class CodeBookTableModel(QSqlTableModel):
         # If a change is made to column 'Type'
         if index.column() == 2:
             # If correct string, replace with correctly cased str
-            if value.lower() == 'liten':
-                value = 'Liten'
-            elif value.lower() == 'stor':
-                value = 'Stor'
+            if value.lower() == "liten":
+                value = "Liten"
+            elif value.lower() == "stor":
+                value = "Stor"
             else:
                 return False
 
diff --git a/soitool/codebook_row_adder.py b/soitool/codebook_row_adder.py
index 412a59b7aa44f3ddabed9d9826c3927572e10300..39cc45fe93d85ee91aa93011579d2a286321d274 100644
--- a/soitool/codebook_row_adder.py
+++ b/soitool/codebook_row_adder.py
@@ -1,7 +1,14 @@
 """Includes functionality for inserting rows into database-table CodeBook."""
 from sqlite3 import IntegrityError
-from PySide2.QtWidgets import QHBoxLayout, QVBoxLayout, QLabel, \
-    QLineEdit, QComboBox, QPushButton, QWidget
+from PySide2.QtWidgets import (
+    QHBoxLayout,
+    QVBoxLayout,
+    QLabel,
+    QLineEdit,
+    QComboBox,
+    QPushButton,
+    QWidget,
+)
 from PySide2.QtCore import Qt
 from soitool.database import Database
 from soitool.codebook import CodeBookTableView, CodeBookTableModel
@@ -34,10 +41,13 @@ class CodebookRowAdder(QWidget):
         super().__init__()
 
         # Raise error if argument is invalid
-        if codebook_view is not None and \
-           not isinstance(codebook_view, CodeBookTableView):
-            raise ValueError("Invalid value for argument 'codebook_view': "
-                             + "'{}'".format(codebook_view))
+        if codebook_view is not None and not isinstance(
+            codebook_view, CodeBookTableView
+        ):
+            raise ValueError(
+                "Invalid value for argument 'codebook_view': "
+                + "'{}'".format(codebook_view)
+            )
 
         self.codebook_view = codebook_view
 
@@ -71,13 +81,15 @@ class CodebookRowAdder(QWidget):
         # Match width of widgets to columnwidths of the view if it is used
         if self.codebook_view is not None:
             self.text_field_word.setFixedWidth(
-                self.codebook_view.columnWidth(0) - 12)
+                self.codebook_view.columnWidth(0) - 12
+            )
             self.text_field_category.setFixedWidth(
-                self.codebook_view.columnWidth(1) - 10)
+                self.codebook_view.columnWidth(1) - 10
+            )
             self.combo_type.setFixedWidth(
-                self.codebook_view.columnWidth(2) - 5)
-            self.button.setFixedWidth(
-                self.codebook_view.columnWidth(3) - 5)
+                self.codebook_view.columnWidth(2) - 5
+            )
+            self.button.setFixedWidth(self.codebook_view.columnWidth(3) - 5)
         # Set standard witdh of widgets if a view is not used
         else:
             self.text_field_word.setFixedWidth(140)
@@ -162,10 +174,13 @@ class CodebookRowAdder(QWidget):
                     self.codebook_view.setModel(None)
 
                 # Try to add row to database
-                stmt = "INSERT INTO CodeBook(Word, Category, Type)" \
-                       + "VALUES(?, ?, ?)"
-                db.conn.execute(stmt, (word_input, category_input,
-                                       type_input,))
+                stmt = (
+                    "INSERT INTO CodeBook(Word, Category, Type)"
+                    + "VALUES(?, ?, ?)"
+                )
+                db.conn.execute(
+                    stmt, (word_input, category_input, type_input,)
+                )
 
                 # Add unique code to row and commit changes
                 db.add_code_to(word_input)
diff --git a/soitool/style.py b/soitool/style.py
index d35ab094d9e71691c6169977cabf9f4452249457..61195a2c2fb1253a52be992f3ad6b0fcfc1c6475 100644
--- a/soitool/style.py
+++ b/soitool/style.py
@@ -4,8 +4,9 @@ from PySide2.QtGui import QFont
 
 # Font and background-color for horizontal header in codebook-view.
 CODEBOOK_HEADER_FONT = QFont()
-CODEBOOK_HEADER_FONT.setFamily('Arial')
+CODEBOOK_HEADER_FONT.setFamily("Arial")
 CODEBOOK_HEADER_FONT.setPointSize(14)
 CODEBOOK_HEADER_FONT.setWeight(50)
-CODEBOOK_HEADER_BACKGROUND_CSS = "QHeaderView::section " \
-                                 "{background-color:rgb(240, 240, 240)}"
+CODEBOOK_HEADER_BACKGROUND_CSS = (
+    "QHeaderView::section " "{background-color:rgb(240, 240, 240)}"
+)