Update README.md

-added pip install git repo to boeing ner
-added import os
-fixed syntax error

README.md

@@ -54,6 +54,7 @@ Examples: Evacuated, Flight Cancelled/Delayed, Diverted, Executed Go Around / Mi
 
 ```
 !pip install gliner==0.1.12
+!pip install git+https://github.com/Boeing/aviation_ner_sdr@main
 ```
 
 **NuZero requires labels to be lower-cased**
@@ -61,6 +62,7 @@ Examples: Evacuated, Flight Cancelled/Delayed, Diverted, Executed Go Around / Mi
 ```python
 import pandas as pd
 import re
+import os
 import time
 from gliner import GLiNER
 from ner_tokenization import NerTokenization
@@ -70,8 +72,7 @@ class NERTagging:
 
     def __init__(self, model_path):
 
-        if (os.path.exists(model_path))
-          self.model = GLiNER.from_pretrained(model_path, local_files_only=True)
+        if (os.path.exists(model_path)): self.model = GLiNER.from_pretrained(model_path, local_files_only=True)
         else: self.model = GLiNER.from_pretrained(model_path)
 
         self.tokenizer = NerTokenization()