docs: fix example code

examples/convert_txt2npy.py

@@ -18,14 +18,14 @@ class for a very unique data set. In this example, QPI data,
 
 
 def get_paths(folder):
-    """Return *_phase.txt files in `folder`"""
+    '''Return *_phase.txt files in `folder`'''
     folder = pathlib.Path(folder).resolve()
     files = folder.rglob("*_phase.txt")
     return sorted(files)
 
 
 def load_file(path):
-    """Load a txt data file"""
+    '''Load a txt data file'''
     path = pathlib.Path(path)
     data = path.open().readlines()
     # remove comments and empty lines
@@ -42,7 +42,7 @@ def load_file(path):
 
 
 def load_field(path):
-    """Load QPI data using *_phase.txt files"""
+    '''Load QPI data using *_phase.txt files'''
     path = pathlib.Path(path)
     phase = load_file(path)
     inten = load_file(path.parent / (path.name[:-10] + "_intensity.txt"))

examples/convert_txt2tif.py

@@ -25,7 +25,7 @@
 
 
 def get_paths(folder, ignore_endswith=ignore_endswith):
-    """Return hologram file paths
+    '''Return hologram file paths
 
     Parameters
     ----------
@@ -34,7 +34,7 @@ def get_paths(folder, ignore_endswith=ignore_endswith):
     ignore_endswith: list
         List of filename ending strings indicating which
         files should be ignored.
-    """
+    '''
     folder = pathlib.Path(folder).resolve()
     files = folder.rglob("*")
     for ie in ignore_endswith: