remove satella

MANIFEST.in

 include LICENSE
 include README.md
 include CONTRIBUTORS.md
-include snakehouse/templates/*.mako
 include requirements.txt

snakehouse/requirements.py

 import typing as tp
 import warnings
 
-from satella.files import read_lines, find_files
+from .satella import read_lines, find_files
 
 
 def find_pyx(directory_path: str) -> tp.List[str]:

snakehouse/satella.py

@@ -67,6 +67,23 @@ def find_files(path: str, wildcard: str = r'(.*)',
             if re.match(wildcard, fn_path):
                 yield _cond_join(prefix_with, filename)
 
+def read_lines(path: str, delete_empty_lines: bool = True,
+               encoding: str = 'utf-8') -> tp.List[str]:
+    """
+    Read lines from a particular file, removing end-of-line characters and optionally
+    empty lines. Additionally whitespaces (and end-of-line characters) will be removed
+    from both ends of each line.
+
+    :param path: path of file to read
+    :param delete_empty_lines: set to False if empty lines are not to be removed
+    :param encoding: encoding to read the file with
+    :return: each line as a separate entry
+    """
+    with codecs.open(path, 'r', encoding) as f_in:
+        lines = [line.strip() for line in f_in.readlines()]
+    if delete_empty_lines:
+        lines = [line for line in lines if line]
+    return lines
 
 def split(path: str) -> tp.List[str]:
     """