diff --git a/docs/conf.py b/docs/conf.py
index 2cbd667..e50b6ac 100755
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -55,8 +55,8 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'pipreqs'
-copyright = u'2015, Vadim Kravcenko'
+project = 'pipreqs'
+copyright = '2015, Vadim Kravcenko'
 
 # The version info for the project you're documenting, acts as replacement
 # for |version| and |release|, also used in various other places throughout
@@ -209,8 +209,8 @@ latex_elements = {
 # [howto/manual]).
 latex_documents = [
     ('index', 'pipreqs.tex',
-     u'pipreqs Documentation',
-     u'Vadim Kravcenko', 'manual'),
+     'pipreqs Documentation',
+     'Vadim Kravcenko', 'manual'),
 ]
 
 # The name of an image file (relative to this directory) to place at
@@ -240,8 +240,8 @@ latex_documents = [
 # (source start file, name, description, authors, manual section).
 man_pages = [
     ('index', 'pipreqs',
-     u'pipreqs Documentation',
-     [u'Vadim Kravcenko'], 1)
+     'pipreqs Documentation',
+     ['Vadim Kravcenko'], 1)
 ]
 
 # If true, show URL addresses after external links.
@@ -255,8 +255,8 @@ man_pages = [
 #  dir menu entry, description, category)
 texinfo_documents = [
     ('index', 'pipreqs',
-     u'pipreqs Documentation',
-     u'Vadim Kravcenko',
+     'pipreqs Documentation',
+     'Vadim Kravcenko',
      'pipreqs',
      'One line description of project.',
      'Miscellaneous'),
diff --git a/pipreqs/pipreqs.py b/pipreqs/pipreqs.py
index 8182115..51e57d8 100644
--- a/pipreqs/pipreqs.py
+++ b/pipreqs/pipreqs.py
@@ -124,7 +124,7 @@ def get_all_imports(
             except Exception as exc:
                 if ignore_errors:
                     traceback.print_exc(exc)
-                    logging.warn("Failed on file: %s" % file_name)
+                    logging.warning("Failed on file: %s" % file_name)
                     continue
                 else:
                     logging.error("Failed on file: %s" % file_name)
@@ -220,7 +220,8 @@ def get_locally_installed_packages(encoding=None):
                         package = root.split(os.sep)[-1].split("-")
                         try:
                             top_level_modules = f.read().strip().split("\n")
-                        except:  # NOQA
+                        except Exception:  # NOQA
+
                             # TODO: What errors do we intend to suppress here?
                             continue
 
diff --git a/requirements.txt b/requirements.txt
index 959d1b7..f4c9e26 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-wheel==0.23.0
+wheel==0.38.1
 Yarg==0.1.9
 docopt==0.6.2
\ No newline at end of file