Drop some unnecessary continuation backslashes

When the expression is already in parentheses, the backslash has no effect.

3 files changed, 19 insertions, 21 deletions

diff --git a/test/munittest.py b/test/munittest.py
index e41d7c9..5fdf6f6 100644
--- a/test/munittest.py
+++ b/test/munittest.py
@@ -556,7 +556,7 @@ class TestLoader:
         instance_list = map(testCaseClass, name_list)
         description = getattr(testCaseClass, '__doc__') \
                       or testCaseClass.__name__
-        description = (description.splitlines()[0]).strip()
+        description = description.splitlines()[0].strip()
         suite = self.suiteClass(instance_list, description)
         return suite
 
@@ -611,8 +611,7 @@ class TestLoader:
             return obj.__self__.__class__(obj.__name__)
         elif callable(obj):
             test = obj()
-            if not isinstance(test, unittest.TestCase) and \
-               not isinstance(test, unittest.TestSuite):
+            if not isinstance(test, (unittest.TestCase, unittest.TestSuite)):
                 raise ValueError("calling %s returned %s, not a test" % (obj,test))
             return test
         else:
@@ -802,8 +801,8 @@ class TextTestRunner:
         self.stream.writeln()
         if not result.wasSuccessful():
             self.stream.write("FAILED (")
-            failed, errored, skipped = map(len, \
-                (result.failures, result.errors, result.skipped))
+            failed, errored, skipped = map(len,
+                                           (result.failures, result.errors, result.skipped))
             if failed:
                 self.stream.write("failures=%d" % failed)
             if errored:
diff --git a/urlgrabber/grabber.py b/urlgrabber/grabber.py
index 82d69dd..550daf9 100644
--- a/urlgrabber/grabber.py
+++ b/urlgrabber/grabber.py
@@ -1002,8 +1002,8 @@ class URLGrabberOptions:
         if 'async' in kwargs:
             self.async_ = self.__dict__.pop('async')
         if not self.reget in [None, 'simple', 'check_timestamp']:
-            raise URLGrabError(11, _('Illegal reget mode: %s') \
-                               % (self.reget, ))
+            raise URLGrabError(11, _('Illegal reget mode: %s')
+                               % (self.reget,))
 
     def _set_defaults(self):
         """Set all options to their default values.
@@ -1757,8 +1757,8 @@ class PyCurlFileObject(object):
             raise err
 
         except HTTPException as e:
-            err = URLGrabError(7, _('HTTP Exception (%s) on %s: %s') % \
-                            (e.__class__.__name__, self.url, e))
+            err = URLGrabError(7, _('HTTP Exception (%s) on %s: %s')
+                               % (e.__class__.__name__, self.url, e))
             err.url = self.url
             raise err
 
@@ -1779,13 +1779,13 @@ class PyCurlFileObject(object):
             if self.append: mode = 'ab'
             else: mode = 'wb'
 
-            if DEBUG: DEBUG.info('opening local file "%s" with mode %s' % \
-                                 (self.filename, mode))
+            if DEBUG: DEBUG.info('opening local file "%s" with mode %s'
+                                 % (self.filename, mode))
             try:
                 self.fo = open(self.filename, mode)
             except IOError as e:
-                err = URLGrabError(16, _(\
-                  'error opening local file from %s, IOError: %s') % (self.url, e))
+                err = URLGrabError(16, _('error opening local file from %s, IOError: %s')
+                                   % (self.url, e))
                 err.url = self.url
                 raise err
 
@@ -1826,17 +1826,16 @@ class PyCurlFileObject(object):
                 try:
                     os.utime(self.filename, (mod_time, mod_time))
                 except OSError as e:
-                    err = URLGrabError(16, _(\
-                      'error setting timestamp on file %s from %s, OSError: %s')
-                              % (self.filename, self.url, e))
+                    err = URLGrabError(16, _('error setting timestamp on file %s from %s, OSError: %s')
+                                       % (self.filename, self.url, e))
                     err.url = self.url
                     raise err
             # re open it
             try:
                 self.fo = open(self.filename, 'r')
             except IOError as e:
-                err = URLGrabError(16, _(\
-                  'error opening file from %s, IOError: %s') % (self.url, e))
+                err = URLGrabError(16, _('error opening file from %s, IOError: %s')
+                                   % (self.url, e))
                 err.url = self.url
                 raise err
 
@@ -2534,7 +2533,7 @@ class _TH:
 def _main_test():
     try: url, filename = sys.argv[1:3]
     except ValueError:
-        print('usage:', sys.argv[0], \
+        print('usage:', sys.argv[0],
               '<url> <filename> [copy_local=0|1] [close_connection=0|1]')
         sys.exit()
 
@@ -2560,7 +2559,7 @@ def _main_test():
 def _retry_test():
     try: url, filename = sys.argv[1:3]
     except ValueError:
-        print('usage:', sys.argv[0], \
+        print('usage:', sys.argv[0],
               '<url> <filename> [copy_local=0|1] [close_connection=0|1]')
         sys.exit()
 
diff --git a/urlgrabber/progress.py b/urlgrabber/progress.py
index 1cf29d2..5b4c450 100644
--- a/urlgrabber/progress.py
+++ b/urlgrabber/progress.py
@@ -665,7 +665,7 @@ class RateEstimator:
         # First update, on reget is the file size
         if self.last_amount_read:
             self.last_update_time = now
-            self.ave_rate = self._temporal_rolling_ave(\
+            self.ave_rate = self._temporal_rolling_ave(
                 time_diff, read_diff, self.ave_rate, self.timescale)
         self.last_amount_read = amount_read
         #print 'results', time_diff, read_diff, self.ave_rate