[99] letterboxd fix and overlay fix

VERSION

@@ -1 +1 @@
-1.19.0-develop98
+1.19.0-develop99

modules/letterboxd.py

@@ -19,7 +19,7 @@ class Letterboxd:
         letterboxd_ids = response.xpath("//li[contains(@class, 'poster-container') or contains(@class, 'film-detail')]/div/@data-film-id")
         items = []
         for letterboxd_id in letterboxd_ids:
-            slugs = response.xpath(f"//div[@data-film-id='{letterboxd_id}']/@data-film-slug")
+            slugs = response.xpath(f"//div[@data-film-id='{letterboxd_id}']/@data-target-link")
             comments = response.xpath(f"//div[@data-film-id='{letterboxd_id}']/parent::li/div[@class='film-detail-content']/div/p/text()")
             ratings = response.xpath(f"//div[@data-film-id='{letterboxd_id}']/parent::li/div[@class='film-detail-content']//span[contains(@class, 'rating')]/@class")
             years = response.xpath(f"//div[@data-film-id='{letterboxd_id}']/parent::li/div[@class='film-detail-content']/h2/small/a/text()")

modules/meta.py

@@ -386,9 +386,9 @@ class DataFile:
                                 if var_key.endswith(".exists"):
                                     con_var_value = util.parse(self.data_type, var_key, var_value, datatype="bool", default=False)
                                     if con_var_value:
-                                        if var_key[:-7] not in variables or not variables[var_key[:-7]]:
+                                        if var_key[:-7] not in variables or variables[var_key[:-7]] is None:
                                             error_text = "- does not exist"
-                                    elif var_key[:-7] in variables and variables[var_key[:-7]]:
+                                    elif var_key[:-7] in variables and variables[var_key[:-7]] is not None:
                                         error_text = "- exists"
                                     con_var_value = var_key[:-7]
                                 elif var_key.endswith(".not"):