Fix sanity issues

plugins/httpapi/nd.py

@@ -255,7 +255,7 @@ def send_file_request(self, method, path, file=None, data=None, remote_path=None
         self.method = "GET"
         if method is not None:
             self.method = method
-        
+
         # If file_ext is provided, replace the file extension (if present) or add it
         if file_ext is not None:
             if not file_ext.startswith(".") or file_ext not in set(mimetypes.types_map.keys()):

plugins/module_utils/ndi.py

@@ -8,7 +8,6 @@
 
 from __future__ import absolute_import, division, print_function
 import json
-from lxml import etree
 
 try:
     from jsonpath_ng import parse
@@ -310,7 +309,10 @@ def is_json(self, myjson):
 
     def is_xml(self, myxml):
         try:
+            from lxml import etree
             etree.parse(myxml)
+        except ImportError:
+            self.nd.fail_json(msg="Cannot use lxml etree because lxml module is not available")
         except etree.XMLSyntaxError:
             return False
         return True

plugins/modules/nd_pcv.py

@@ -227,7 +227,7 @@ def main():
                     try:
                         file_ext = ".json"
                         extract_data = ndi.load(open(file))
-                    except:
+                    except BaseException:
                         nd.fail_json(msg="Error processing the file. Check if file content is valid.")
 
                 if isinstance(extract_data, list):