minor fixes in documentation

Author: MarcoR1791

eswc_demo/queries/retrieveMelodyData.sparql

@@ -58,10 +58,8 @@ def transform_cli_flags(args: dict[str, str | list[str]]) -> list[str]:
     """
     if "query" not in args:
         raise ValueError(
-            """
-            Invalid arguments given. A query must be passed.\n
-            Type sparql-anything -h in your terminal for usage help.
-            """
+            "Invalid arguments given. A query must be passed.\n"
+            + "Type sparql-anything -h in your terminal for usage help."
         )
     final_args: list[str] = []
     for k, v in args.items():

src/pysparql_anything/args_handlers.py

@@ -44,7 +44,7 @@ def select(
         The select method enables one to run a SELECT query and return
         the result as either a Pandas DataFrame or a Python dictionary.\n
         Args:\n
-            output_type: "pd.DataFrame" or "dict" for the chosen output.\n
+            output_type: pandas.DataFrame or dict for the chosen output.\n
             **kwargs: The keyword arguments for the SELECT request. These are
                 the same as those of the regular flags for the Sparql Anything
                 CLI, minus the hyphen.\n
@@ -83,9 +83,9 @@ def construct(
         return the result as either a rdflib or networkx MultiDiGraph
         graph object.\n
         Args:\n
-            graph_type: A string specifying which type of graph object is to be
-                returned. Default is "rdflib.Graph". Alternative is
-                "nx.MultiDiGraph".\n
+            graph_type: The type specifying which graph object is to be
+                returned. Default is rdflib.Graph. Alternative is
+                networkx.MultiDiGraph.\n
             **kwargs: The keyword arguments for the ASK request. These are the
                 same as those of the regular flags for the Sparql Anything CLI,
                 minus the hyphen.\n