Examples: Fix a number of flake8 errors (part 1)

First batch, including low-hanging fruit like Alignments, whitespaces,
line length, indents, etc.

Pick-to: 6.6
Change-Id: I55966876077f7fddfdc82cbe376677af9995f329
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@qt.io>

2 files changed, 4 insertions, 3 deletions

diff --git a/examples/quickcontrols/contactslist/contactmodel.py b/examples/quickcontrols/contactslist/contactmodel.py
index 313a58305..5d2746c2e 100644
--- a/examples/quickcontrols/contactslist/contactmodel.py
+++ b/examples/quickcontrols/contactslist/contactmodel.py
@@ -47,7 +47,7 @@ class ContactModel(QAbstractListModel):
                                             "Piobesi Torinese", "0399 2826994"))
         self.m_contacts.append(self.Contact("Harvey Chandler", "North Squaw Creek 11",
                                             "Madisonville", "0343 1244492"))
-        self.m_contacts.append(self.Contact("Miguel Gomez", "Wild Rose Street 13", "Trussville" ,
+        self.m_contacts.append(self.Contact("Miguel Gomez", "Wild Rose Street 13", "Trussville",
                                             "0343 9826996"))
         self.m_contacts.append(self.Contact("Norma Rodriguez", " Glen Eagles Street  53",
                                             "Buffalo", "0241 5826596"))
@@ -95,7 +95,7 @@ class ContactModel(QAbstractListModel):
         self.endInsertRows()
 
     @Slot(int, str, str, str, str)
-    def set(self, row: int,  full_name: str, address: str, city: str, number: str):
+    def set(self, row: int, full_name: str, address: str, city: str, number: str):
         if row < 0 or row >= len(self.m_contacts):
             return
 
diff --git a/examples/quickcontrols/filesystemexplorer/filesystemexplorer.py b/examples/quickcontrols/filesystemexplorer/filesystemexplorer.py
index 90579b360..2bc733c37 100644
--- a/examples/quickcontrols/filesystemexplorer/filesystemexplorer.py
+++ b/examples/quickcontrols/filesystemexplorer/filesystemexplorer.py
@@ -44,7 +44,8 @@ class FileSystemModel(QFileSystemModel):
         file = QFile(path)
 
         mime = self.db.mimeTypeForFile(QFileInfo(file))
-        if 'text' in mime.comment().lower() or any('text' in s.lower() for s in mime.parentMimeTypes()):
+        if ('text' in mime.comment().lower()
+                or any('text' in s.lower() for s in mime.parentMimeTypes())):
             if file.open(QFile.ReadOnly | QFile.Text):
                 stream = QTextStream(file).readAll()
                 return stream