Remove exact versions in requirements

requirements.txt

-astunparse==1.6.3
-matplotlib==3.5.2
-networkx==2.8.2
-numpy==1.22.4
-pyvis==0.2.1
+astunparse
+matplotlib
+networkx
+numpy
+pyvis

setup.cfg

@@ -21,14 +21,14 @@ packages = find:
 include_package_data = True    
 python_requires = >=3.8
 install_requires =
-    astunparse==1.6.3
-    matplotlib==3.5.2
-    networkx==2.8.2
-    numpy==1.22.4
-    pyvis==0.2.1
+    astunparse
+    matplotlib
+    networkx
+    numpy
+    pyvis
 
 [options.packages.find]
 where = src
 
 [options.package_data]
-* = *.json
\ No newline at end of file
+* = *.json