Fix exception message formatting

Signed-off-by: Andreas Tolfsen <ato@mozilla.com>

Author: bayandin

py/selenium/webdriver/chrome/service.py

@@ -63,9 +63,9 @@ def start(self):
               self.service_args, env=env, stdout=PIPE, stderr=PIPE)
         except:
             raise WebDriverException(
-                "ChromeDriver executable needs to be available in the path. \
-                Please download from http://chromedriver.storage.googleapis.com/index.html\
-                and read up at http://code.google.com/p/selenium/wiki/ChromeDriver")
+                "ChromeDriver executable needs to be available in the path. "
+                "Please download from http://chromedriver.storage.googleapis.com/index.html "
+                "and read up at http://code.google.com/p/selenium/wiki/ChromeDriver")
         count = 0
         while not utils.is_connectable(self.port):
             count += 1

py/selenium/webdriver/ie/service.py

@@ -68,9 +68,9 @@ def start(self):
             raise
         except:
             raise WebDriverException(
-                "IEDriver executable needs to be available in the path. \
-                Please download from http://selenium-release.storage.googleapis.com/index.html\
-                and read up at http://code.google.com/p/selenium/wiki/InternetExplorerDriver")
+                "IEDriver executable needs to be available in the path. "
+                "Please download from http://selenium-release.storage.googleapis.com/index.html "
+                "and read up at http://code.google.com/p/selenium/wiki/InternetExplorerDriver")
         count = 0
         while not utils.is_url_connectable(self.port):
             count += 1

py/selenium/webdriver/opera/service.py

@@ -49,8 +49,7 @@ def start(self):
             self.process = subprocess.Popen(["java", "-jar", self.path, "-port", "%s" % self.port])
         except:
             raise WebDriverException(
-                "OperaDriver executable needs to be available in the path. \
-                ")
+                "OperaDriver executable needs to be available in the path.")
         time.sleep(10)
         count = 0
         while not utils.is_connectable(self.port):