Merge branch 'master' of gitlab.mpcdf.mpg.de:nomad-lab/parser-cp2k

library.md

@@ -65,7 +65,7 @@ class MyParserImplementation1():
         result.
         """
         result = Result()
-        result.unit = ureg.joule
+        result.unit = "joule"
         result.value = 2.0
         return result
 
@@ -76,7 +76,7 @@ class MyParserImplementation1():
         one example on how to avoid loading the entire file into memory.
         """
         result = Result()
-        result.unit = ureg.newton
+        result.unit = "newton"
         xyz_string = self.parser.get_file_contents("forces")
         forces = []
         i_forces = []
@@ -127,7 +127,7 @@ class MyParserImplementation1():
                 yield np.array(i_forces)
 
         result = Result()
-        result.unit = ureg.angstrom
+        result.unit = "angstrom"
         result.value_iterable = position_generator()
         return result
 ```
@@ -149,7 +149,7 @@ class MyParserImplementation2(MyParserImplementation1):
     def energy(self):
         """The energy unit has changed in this version."""
         result = Result()
-        result.unit = ureg.hartree
+        result.unit = "hartree"
         result.value = "2.0"
         return result
 ```
@@ -181,4 +181,4 @@ The 'files' object contains all the files that are given to the parser. The
 attribute names are the file paths and their values are optional id's. The id's
 are not typically given and they have to be assigned by using the
 setup_file_id() function of NomadParser. Assigning id's helps to manage the
-files.
+files.
\ No newline at end of file