diff --git a/.gitignore b/.gitignore
index 66b4a19..4fc984c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -141,3 +141,7 @@ ENV/
 *.app
 
 ./code/word2vec
+
+code/spherecluster
+.vscode
+code/word2vec
\ No newline at end of file
diff --git a/code/case_ranker.py b/code/case_ranker.py
index 22da68c..a1c63eb 100644
--- a/code/case_ranker.py
+++ b/code/case_ranker.py
@@ -41,7 +41,7 @@ def rank_phrase(case_file):
 	unif = [1.0 / cell_cnt] * cell_cnt
 
 	for ph in phrase_map:
-		ph_vec = [x[1] for x in phrase_map[ph].iteritems()]
+		ph_vec = [x[1] for x in phrase_map[ph].items()]
 		if len(ph_vec) < cell_cnt:
 			ph_vec += [0] * (cell_cnt - len(ph_vec))
 		# smoothing
diff --git a/code/compress.py b/code/compress.py
index d444ad5..06bd485 100644
--- a/code/compress.py
+++ b/code/compress.py
@@ -1,7 +1,7 @@
 import argparse
 import utils
 import operator
-import Queue
+import queue
 import math
 from os import listdir
 from os.path import isfile, join, isdir, abspath, dirname, basename, exists
@@ -37,7 +37,7 @@ def parse_reidx(reidx_f):
 		if len(pd_map[ph]) > 0:
 			ph_idf[ph] = math.log(float(d_cnt) / len(pd_map[ph]))
 
-	print 'Inverted Index file read.'
+	print('Inverted Index file read.')
 
 
 
@@ -81,7 +81,7 @@ def get_rep(folder, c_id, N):
 				break
 		
 	elif ph_idf == None:
-		print 'looking at embeddings for %s' % folder
+		print('looking at embeddings for %s' % folder)
 
 		ph_f = '%s/embeddings.txt' % par_folder
 		kw_f = '%s/keywords.txt' % par_folder
@@ -119,7 +119,7 @@ def get_rep(folder, c_id, N):
 				result_phrases.append(ph)
 	else:
 		# Using TF-IDF to generate
-		print 'looking at tf-idf for %s' % folder
+		print ('looking at tf-idf for %s' % folder)
 		d_clus_f = '%s/paper_cluster.txt' % par_folder
 		kw_clus_f = '%s/cluster_keywords.txt' % par_folder
 		docs = []
@@ -161,7 +161,7 @@ def get_rep(folder, c_id, N):
 
 def recursion(root, o_file, N):
 
-	q = Queue.Queue()
+	q = queue.Queue()
 	q.put((root, -1, '*'))
 
 	g = open(o_file, 'w+')
diff --git a/code/main.py b/code/main.py
index b7a0ff7..d986408 100644
--- a/code/main.py
+++ b/code/main.py
@@ -62,8 +62,9 @@ def recur(input_dir, node_dir, n_cluster, parent, n_cluster_iter, filter_thre,\
         try:
             children = run_clustering(full_data, df.doc_id_file, df.seed_keyword_file, n_cluster, node_dir, parent, \
                                       df.cluster_keyword_file, df.hierarchy_file, df.doc_membership_file)
-        except:
+        except Exception as error:
             print('Clustering not finished.')
+            print(error)
             return
         copyfile(df.seed_keyword_file, df.filtered_keyword_file)
     else:
@@ -74,8 +75,9 @@ def recur(input_dir, node_dir, n_cluster, parent, n_cluster_iter, filter_thre,\
             try:
                 children = run_clustering(full_data, df.doc_id_file, df.seed_keyword_file, n_cluster, node_dir, parent,\
                                df.cluster_keyword_file, df.hierarchy_file, df.doc_membership_file)
-            except:
+            except Exception as error:
                 print('Clustering not finished.')
+                print(error)
                 return
 
             start = time.time()
@@ -110,7 +112,7 @@ def main(opt):
     n_expand = opt['n_expand']
     n_cluster_iter = opt['n_cluster_iter']
     level = 0
-
+    
     # our method
     root_dir = opt['data_dir'] + 'our-l3-0.15/'
     copy_tree(init_dir, root_dir)
diff --git a/code/paras.py b/code/paras.py
index 027ae53..98c71a0 100644
--- a/code/paras.py
+++ b/code/paras.py
@@ -99,7 +99,7 @@ def load_sp_params():
 
 def load_dblp_params_method():
     pd = dict()
-    pd['data_dir'] = '/shared/data/jiaming/local-embedding/data/dblp/'
+    pd['data_dir'] = '../data/dblp/'
     pd['doc_file'] = pd['data_dir'] + 'input/papers.txt'
     pd['doc_keyword_cnt_file'] = pd['data_dir'] + 'input/keyword_cnt.txt'
     pd['input_dir'] = pd['data_dir'] + 'input/'
diff --git a/code/run.sh b/code/run.sh
old mode 100644
new mode 100755
index 1bcf2ff..21c30d3
--- a/code/run.sh
+++ b/code/run.sh
@@ -9,7 +9,7 @@ FIRST_RUN=${FIRST_RUN:- 0}
 if [ $FIRST_RUN -eq 1 ]; then
 	echo 'Start data preprocessing'
 	## compile word2vec for embedding learning
-	gcc word2vec.c -o word2veec -lm -pthread -O2 -Wall -funroll-loops -Wno-unused-result
+	gcc word2vec.c -o word2vec -lm -pthread -O2 -Wall -funroll-loops -Wno-unused-result
 
 	## create initial folder if not exist
 	if [ ! -d ../data/$corpusName/init ]; then
diff --git a/code/utils.py b/code/utils.py
index 085e722..2b0192d 100644
--- a/code/utils.py
+++ b/code/utils.py
@@ -57,7 +57,7 @@ def cossim(p, q):
 
 def euclidean_distance(p, q):
 	if len(p) != len(q):
-		print 'Euclidean distance error: p, q have different length'
+		print('Euclidean distance error: p, q have different length')
 	
 	distance = 0
 
@@ -69,7 +69,7 @@ def euclidean_distance(p, q):
 
 def euclidean_cluster(ps, c):
 	if len(ps) == 0 or c == None:
-		print 'Cluster is empty'
+		print('Cluster is empty')
 
 	distance = 0
 
@@ -83,7 +83,7 @@ def euclidean_cluster(ps, c):
 
 def dot_product(p, q):
 	if len(p) != len(q):
-		print 'KL divergence error: p, q have different length'
+		print('KL divergence error: p, q have different length')
 	
 	p_len = q_len = mix_len = 0
 
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..ca3274b
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,4 @@
+numpy==1.19.5
+scipy
+scikit-learn==0.22
+PyYAML
\ No newline at end of file