sq: more comments addressed

fmf/base.py

@@ -227,7 +227,7 @@ def lazy_any_search(item, patterns):
         elif isinstance(data[key], dict):
             for k in list(data[key].keys()):
                 if lazy_any_search(k, value):
-                    data[key].pop(k, None)
+                    data[key].pop(k)
         else:
             raise utils.MergeError(
                 "MergeError: Key '{0}' in {1} (wrong type).".format(

fmf/utils.py

@@ -918,7 +918,7 @@ def split_pattern_replacement(source):
         if source[-1] != delimiter:
             raise FormatError("'{0}' has to end with '{1}'.".format(source, delimiter))
     except IndexError:
-        raise FormatError("'{0}' has to start and end with '/'.".format(source))
+        raise FormatError("'{0}' has to start and end with the same delimiter.".format(source))
 
     try:
         pattern, replacement = source[1:-1].split(delimiter)

tests/unit/test_utils.py

@@ -443,7 +443,7 @@ class TestSplitPatternReplacement:
         ";/;",  # Not long enough - missing 'REPL;'
         ";;;",  # PATTERN and REPL parts empty
         "/a/b/c",  # Input after trailing deliminer
-        "/a/b/c/d",  # More parts after trailig delimiter
+        "/a/b/c/d/",  # More than 3 delimiters
         "/x;y/",  # No REPL part as delimiter is /
         "/a/a;"  # No trailing delimiter
         ])