6 files changed, 8 insertions, 14 deletions
diff --git a/doc/src/conf.py b/doc/src/conf.py
index 1b65c34..94f154e 100644
--- a/doc/src/conf.py
+++ b/doc/src/conf.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 #
 # Psycopg documentation build configuration file, created by
 # sphinx-quickstart on Sun Feb  7 13:48:41 2010.
@@ -48,9 +47,9 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'Psycopg'
+project = 'Psycopg'
 copyright = (
-    u'2001-2020, Federico Di Gregorio, Daniele Varrazzo, The Psycopg Team'
+    '2001-2020, Federico Di Gregorio, Daniele Varrazzo, The Psycopg Team'
 )
 
 # The version info for the project you're documenting, acts as replacement for
@@ -235,8 +234,8 @@ latex_documents = [
     (
         'index',
         'psycopg.tex',
-        u'Psycopg Documentation',
-        u'Federico Di Gregorio',
+        'Psycopg Documentation',
+        'Federico Di Gregorio',
         'manual',
     )
 ]
diff --git a/doc/src/install.rst b/doc/src/install.rst
index a685cde..c771c9b 100644
--- a/doc/src/install.rst
+++ b/doc/src/install.rst
@@ -131,8 +131,7 @@ The current `!psycopg2` implementation supports:
 ..
     NOTE: keep consistent with setup.py and the /features/ page.
 
-- Python version 2.7
-- Python 3 versions from 3.6 to 3.9
+- Python versions from 3.6 to 3.9
 - PostgreSQL server versions from 7.4 to 13
 - PostgreSQL client library version from 9.1
 
diff --git a/doc/src/tools/lib/dbapi_extension.py b/doc/src/tools/lib/dbapi_extension.py
index 23d9165..7fc776a 100755
--- a/doc/src/tools/lib/dbapi_extension.py
+++ b/doc/src/tools/lib/dbapi_extension.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     extension
     ~~~~~~~~~
diff --git a/doc/src/tools/lib/sql_role.py b/doc/src/tools/lib/sql_role.py
index 43347b4..1731546 100644
--- a/doc/src/tools/lib/sql_role.py
+++ b/doc/src/tools/lib/sql_role.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     sql role
     ~~~~~~~~
diff --git a/doc/src/tools/lib/ticket_role.py b/doc/src/tools/lib/ticket_role.py
index 0ee3d63..8ba87cb 100644
--- a/doc/src/tools/lib/ticket_role.py
+++ b/doc/src/tools/lib/ticket_role.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 """
     ticket role
     ~~~~~~~~~~~
diff --git a/doc/src/tools/make_sqlstate_docs.py b/doc/src/tools/make_sqlstate_docs.py
index 3e1a026..16fd9c9 100644
--- a/doc/src/tools/make_sqlstate_docs.py
+++ b/doc/src/tools/make_sqlstate_docs.py
@@ -2,7 +2,6 @@
 """Create the docs table of the sqlstate errors.
 """
 
-from __future__ import print_function
 
 import re
 import sys
@@ -26,8 +25,8 @@ def main():
     for k in sorted(sqlstate_errors):
         exc = sqlstate_errors[k]
         lines.append(Line(
-            "``%s``" % k, "`!%s`" % exc.__name__,
-            "`!%s`" % get_base_exception(exc).__name__, k))
+            f"``{k}``", f"`!{exc.__name__}`",
+            f"`!{get_base_exception(exc).__name__}`", k))
 
     widths = [max(len(l[c]) for l in lines) for c in range(3)]
     h = Line(*(['=' * w for w in widths] + [None]))
@@ -40,7 +39,7 @@ def main():
     for l in lines:
         cls = l.sqlstate[:2] if l.sqlstate else None
         if cls and cls != sqlclass:
-            print("**Class %s**: %s" % (cls, sqlclasses[cls]))
+            print(f"**Class {cls}**: {sqlclasses[cls]}")
             print(h1)
             sqlclass = cls