Added init_pln method

utils.py

@@ -1,4 +1,5 @@
 import spacy
+import subprocess
 from typing import Tuple
 from spacy import displacy
 from anytree import Node, RenderTree
@@ -8,10 +9,30 @@ class Pipeline:
         self
     ) -> None:
 
-        self.nlp = spacy.load("en_core_web_md")
+        self.nlp = None
         self.__ch_html_tree = None
         self.__ch_str_tree = None
         self.__ch_sentence = None
+        self.__init_nlp(model="en_core_web_md")
+    
+    def __init_nlp(
+        self,
+        model: str
+    ) -> None:
+
+        self.nlp = None
+        try:
+            self.nlp = spacy.load(model)
+
+        except:
+            print(f"* Downloading {model} model...")
+            _ = subprocess.Popen(
+                f"python -m spacy download {model}", 
+                stdout=subprocess.PIPE, 
+                shell=True
+            ).communicate()
+
+            self.npl = spacy.load(model)
 
     def __postag(
         self,