diff --git a/youtube_dl/extractor/adobepass.py b/youtube_dl/extractor/adobepass.py
index a158433152..100cf997f1 100644
--- a/youtube_dl/extractor/adobepass.py
+++ b/youtube_dl/extractor/adobepass.py
@@ -1389,106 +1389,72 @@ def raise_mvpd_required():
                     # Comcast page flow varies by video site and whether you
                     # are on Comcast's network.
                     provider_redirect_page, urlh = provider_redirect_page_res
-                    # Check for Comcast auto login
                     if 'automatically signing you in' in provider_redirect_page:
                         oauth_redirect_url = self._html_search_regex(
                             r'window\.location\s*=\s*[\'"]([^\'"]+)',
                             provider_redirect_page, 'oauth redirect')
-                        # Just need to process the request. No useful data comes back
                         self._download_webpage(
                             oauth_redirect_url, video_id, 'Confirming auto login')
                     else:
                         if '<form name="signin"' in provider_redirect_page:
-                            # already have the form, just fill it
                             provider_login_page_res = provider_redirect_page_res
                         elif 'http-equiv="refresh"' in provider_redirect_page:
-                            # redirects to the login page
                             oauth_redirect_url = self._html_search_regex(
                                 r'content="0;\s*url=([^\'"]+)',
                                 provider_redirect_page, 'meta refresh redirect')
                             provider_login_page_res = self._download_webpage_handle(
-                                oauth_redirect_url,
-                                video_id, 'Downloading Provider Login Page')
+                                oauth_redirect_url, video_id,
+                                'Downloading Provider Login Page')
                         else:
                             provider_login_page_res = post_form(
-                                provider_redirect_page_res, 'Downloading Provider Login Page')
+                                provider_redirect_page_res,
+                                'Downloading Provider Login Page')
 
-                        mvpd_confirm_page_res = post_form(provider_login_page_res, 'Logging in', {
-                            mso_info.get('username_field', 'username'): username,
-                            mso_info.get('password_field', 'password'): password,
-                        })
+                        mvpd_confirm_page_res = post_form(
+                            provider_login_page_res, 'Logging in', {
+                                mso_info['username_field']: username,
+                                mso_info['password_field']: password,
+                            })
                         mvpd_confirm_page, urlh = mvpd_confirm_page_res
                         if '<button class="submit" value="Resume">Resume</button>' in mvpd_confirm_page:
                             post_form(mvpd_confirm_page_res, 'Confirming Login')
-
                 elif mso_id == 'Verizon':
                     # In general, if you're connecting from a Verizon-assigned IP,
                     # you will not actually pass your credentials.
                     provider_redirect_page, urlh = provider_redirect_page_res
-                    # print('provider_redirect_page_url', urlh.geturl())
-                    # https://signin.verizon.com/sso/VOLPortalLogin?SAMLRequest=<snip>
                     if 'Please wait ...' in provider_redirect_page:
-                        # print('[debug] SAML Auto-Login is TRUE') # GO,
                         saml_redirect_url = self._html_search_regex(
                             r'self\.parent\.location=(["\'])(?P<url>.+?)\1',
-                            provider_redirect_page, 'Extracting SAML Redirect URL', group='url'
-                        )
-                        # print('saml_redirect_url', saml_redirect_url)
-                        # https://signin.verizon.com/sso/choice/tvpHandler.jsp?loginType=vzRedirect&partner=<snip>
+                            provider_redirect_page,
+                            'SAML Redirect URL', group='url')
                         saml_login_page = self._download_webpage(
-                            saml_redirect_url, video_id, 'Downloading SAML Login Page'
-                        )
+                            saml_redirect_url, video_id,
+                            'Downloading SAML Login Page')
                     else:
-                        if 'Please try again.' in provider_redirect_page:
-                            # print('[debug] SAML Auto-Login is FALSE') # NBC,
-                            provider_login_page_res = provider_redirect_page_res
-                        else:
-                            print('[error] SAML Auto-Login is UNKNOWN')
-                            import sys
-                            sys.exit(1)
-                        provider_login_page, urlh = provider_login_page_res
-                        # print('provider_login_page_url', urlh.geturl())
-                        # https://signin.verizon.com/sso/VOLPortalLogin?SAMLRequest=<snip>
-                        saml_login_page_res = post_form(provider_login_page_res, 'Logging in', {
-                            mso_info.get('username_field', 'username'): username,
-                            mso_info.get('password_field', 'password'): password,
-                        })
+                        saml_login_page_res = post_form(
+                            provider_redirect_page_res, 'Logging in', {
+                                mso_info['username_field']: username,
+                                mso_info['password_field']: password,
+                            })
                         saml_login_page, urlh = saml_login_page_res
                         if 'Please try again.' in saml_login_page:
-                            print("[error] We're sorry, but either the User ID or Password entered is not correct.")
-                            import sys
-                            sys.exit(1)
-                        # elif 'Please wait - we are verifying your account...' in saml_login_page:
-                        # print('saml_login_page_url', urlh.geturl())
-                        # https://signin.verizon.com/sso/choice/tvpHandler.jsp?loginType=vzRedirect&partner=<snip>
-                    saml_login_url = self._html_search_regex(
-                        r'xmlHttp\.open\(\"POST\",\s(["\'])(?P<url>.+?)\1',
-                        saml_login_page, 'Extracting SAML Login URL', group='url')
-                    # print('saml_login_url', saml_login_url)
-                    # https://signin.verizon.com/sso/TVPHandlerServlet?loginType=vzRedirect&partner=<snip>
+                            raise ExtractorError(
+                                'We\'re sorry, but either the User ID or Password entered is not correct.')
+                    saml_login_url = self._search_regex(
+                        r'xmlHttp\.open\("POST"\s*,\s*(["\'])(?P<url>.+?)\1',
+                        saml_login_page, 'SAML Login URL', group='url')
                     saml_response_json = self._download_json(
                         saml_login_url, video_id, 'Downloading SAML Response',
-                        headers={'Content-Type': 'text/xml'}
-                    )
-                    saml_target_url = saml_response_json['targetValue']
-                    saml_response = saml_response_json['SAMLResponse']
-                    saml_relay_state = saml_response_json['RelayState']
-                    # print('saml_target_url', saml_target_url)
-                    # https://sp.auth.adobe.com/sp/saml/SAMLAssertionConsumer
-                    form_data = {
-                        'SAMLResponse': saml_response,
-                        'RelayState': saml_relay_state
-                    }
-                    saml_autologin_res = self._download_webpage_handle(
-                        saml_target_url, video_id,
-                        'Auto-Login', data=urlencode_postdata(form_data),
-                        headers={'Content-Type': 'application/x-www-form-urlencoded'}
-                    )
-                    original_page, urlh = saml_autologin_res
-                    # print('original_page_url', urlh.geturl())
-
+                        headers={'Content-Type': 'text/xml'})
+                    self._download_webpage(
+                        saml_response_json['targetValue'], video_id,
+                        'Confirming Login', data=urlencode_postdata({
+                            'SAMLResponse': saml_response_json['SAMLResponse'],
+                            'RelayState': saml_response_json['RelayState']
+                        }), headers={
+                            'Content-Type': 'application/x-www-form-urlencoded'
+                        })
                 else:
-                    # Normal, non-Comcast flow
                     provider_login_page_res = post_form(
                         provider_redirect_page_res, 'Downloading Provider Login Page')
                     mvpd_confirm_page_res = post_form(provider_login_page_res, 'Logging in', {