fixed Bug #89 custom readers by module name, added tests for it

Signed-off-by: Rene <snooz@posteo.de>

Author: Snooz82

atest/TestCases/custom_reader/custom_reader.robot

@@ -1,6 +1,6 @@
 *** Settings ***
 Library    DataDriver    reader_class=TestCases/custom_reader/custom_reader.py    optimize_pabot=equal
-...            min=0    max=97
+...            min=0    max=93
 Test Template    check vars
 
 

src/DataDriver/DataDriver.py

@@ -49,7 +49,7 @@
     warn,
 )
 
-__version__ = "1.8.0"
+__version__ = "1.8.1"
 
 
 class DataDriver:
@@ -1685,7 +1685,7 @@ def _get_reader_class_from_path(file_name: Path):
     def _get_reader_class_from_module(reader_name):
         importer = Importer("DataReader")
         debug(f"[ DataDriver ] Reader Module: {reader_name}")
-        reader = importer.import_class_or_module(reader_name)
+        reader = importer.import_class_or_module(str(reader_name))
         if not inspect.isclass(reader):
             message = f"Importing custom DataReader class {reader_name} failed."
             raise ImportError(message)