Remove redundant backslashes

They are not necessary between parenthesis

pytube/models.py

@@ -83,19 +83,19 @@ class Video(object):
 
         # Catch possible exceptions occurring during download
         except IOError:
-            print("\n\nError: Failed to open file.\n" \
-                  "Check that: ('{0}'), is a valid pathname.\n\n" \
+            print("\n\nError: Failed to open file.\n"
+                  "Check that: ('{0}'), is a valid pathname.\n\n"
                   "Or that ('{1}.{2}') is a valid filename.\n\n".format(
                         path, self.filename, self.extension))
             exit(2)
 
         except BufferError:
-            print("\n\nError: Failed on writing buffer.\n" \
+            print("\n\nError: Failed on writing buffer.\n"
                   "Failed to write video to file.\n\n")
             exit(1)
 
         except KeyboardInterrupt:
-            print("\n\nInterrupt signal given.\nDeleting incomplete video" \
+            print("\n\nInterrupt signal given.\nDeleting incomplete video"
                   "('{0}.{1}').\n\n".format(self.filename, self.extension))
             remove(fullpath)
             exit(1)

setup.py

@@ -10,7 +10,7 @@ packages = [
 setup(
     name="pytube",
     version=pytube.__version__,
-    description="A simple, yet versatile package for downloading " \
+    description="A simple, yet versatile package for downloading "
                 "YouTube videos.",
     author="Nick Ficano",
     author_email="nficano@gmail.com",